The genetic variation comes mainly from population, the source of variation among populations is relatively little.
遗传变异主要来源于种群内,居群间变异来源比较小。
A firm's embedness in a network of ties is an important source of variation in the acquisition of competitive capabilities.
本文论述了企业知识网络的重要性,说明企业在关系网络中的嵌入是获取竞争能力的重要来源。
Experience shows that in creating theinitial data table and in the graphical representation of the process, thehuman element is a frequently overlooked source of variation.
经验表明,在创建初始数据表和用图形表示的过程的时候,人为因素是一个经常被忽视的一种波动来源变量。
The deflation algorithm used by gzip (also zip and zlib) is an open-source, patent-free variation of the LZ77 (Lempel-Ziv 1977) algorithm.
gzip(也称zip或zlib)所使用的算法是开源、无专利的LZ77 (Lempel - Ziv 1977)算法的变体。
Mr Sims used a dash of theory to analyse the error terms in his equations and isolate the impact of the "fundamental shock", the primary source of unanticipated variation.
他用了少许的理论来分析他的等式中的误差,并且把不能预料到的变量的最基本的来源,那些最基本的冲击影响隔离起来。
The two most popular programs are Direct Connect by NeoModus (at neomodus.com) and an open-source variation of it called DC++, available at sourceforge.net.
两个最受欢迎的程序是由“新方法”(NeoModus)公司(网站地址neomodus.com)推出的“直接连接”(Direct Connect)和该程序的开放源码变本,即被称作DC++的程序,这两个程序都可以在sourceforge.net上找到。
Somatic mutation, a main biological phenomenon of citrus and other fruits, is often used for breeding as a major variation source. Spontaneous mutations often occur in citrus.
体细胞突变是柑橘等果树比较常见的生物学现象,也是品种选育,即芽变选种的主要变异来源。
According to variation of the hydrologic state, the paper mainly analyses the necessity of the source ensuring project of Dongjiang river and its delta waterway.
根据近年来东江下游及三角洲河道水文情势的变化,分析东江下游及三角洲河段供水水源保证工程建设的必要性。
They are equal to appear a similar variation characteristic which is above-mentioned, at different carbon source and nitrogen source or different proportion of carbon-nitrogen culture for M_ (337).
其中M _(337)在不同碳、氮源以及不同碳氮比的培养基上均表现出上述类似的变异特征。
The variation of energy due to the source over the wavelength span of the emitted radiation.
能量因光源的辐射波长跨度变化而变化。
In sinusoidal phase modulating laser diode interferometer, the main error source is the variation in output light intensity of light source.
在半导体激光正弦相位调制干涉仪中,光源输出光强的变化是测量误差的主要来源。
The Ordovician is the hydrocarbon source rock and also is one of the main series of stratum in exploration, which is characterized by wide distribution and greatly vertical-horizontal variation.
奥陶系是烃源岩,也是主要勘探层系之一,具有分布广,纵、横向变化大的特点。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
说明了皮带自动张紧装置的工作原理,带蓄能器的动力源能缓冲系统压力变化,从而使皮带的张紧力保持稳定。
This paper analyses source of error qualitatively. The result is the loss resistance of inductor and capacitor with is variable the frequency. Variation direction is different, not the same.
定性地分析了误差的来源,得出的结论是电感电容内部的损耗电阻随着频率的变化而变化,变化方向相反而并非相同。
This article gives a simple introduction about the advances of SARS pathogenology in aspects of the course of searching for pathogeny, basic characters, evolution and variation, diagnose, source, etc.
本文就其病原寻找、病原基本特点、病原进化和变异、病原诊断、病原来源等方面对SARS病原学研究进展作一简要介绍。
The results show that the radio frequency drive voltage, the variation of states of polarization are main factors to affect the generation of the frequency-locked multi-carrier source.
结果表明,射频信号的驱动电压,系统中偏振态的变化是影响频率锁定多载波光源产生的主要因素。
The variation of the gas value within an investigation week would be non linear issue and the gas existing dangerous source would have non linear dynamic features.
瓦斯涌出量在一个考察周期内,变化属于非线性问题,瓦斯固有危险源具有非线性动力特征;
The repeatability and reproducibility variation of measurement systems is a major source of differences of measurement data fluctuation, and influences the performance of control charts.
测量系统的重复性和再现性(R&R)变异是测量值波动的一个重要来源,它对于控制图的性能会造成影响。
The typical diurnal variation characteristic of SO2 concentration, the main source and the meteorological factors that influence the pollutants were analyzed.
并对SO2典型日变化趋势、主要污染源以及气象条件对污染物浓度分布的影响进行了分析。
The chemical variation of the volcanics are controlled by both residual of plagioclase in the melting source area and crystal fractionation of biotite after magma formation.
认为火山岩的成分分异受斜长石在岩浆源区熔融残留和岩浆形成后黑云母的结晶分离双重控制。
This paper presents a method for evaluating the flow about an arbitrary three-dimensional body using the submerged patches of triangular elements with quadratic variation of source strength.
本文利用内潜奇点片的概念,提出了二次分布源强的三角形单元,进行绕任意三维物体的势流的计算,并得到了计算所需要的一系列积分公式。
The results show that the jamming source with a slow variation of amplitude will warp the target's azimuth received by the seeker.
结果表明,缓变幅度的干扰辐射会使导引头获得的目标方位信息产生偏差,但无法使目标摆脱导引头的跟踪;
The experimental results shown that this modulating device can effectively compensate the effect of light source variation due to electric source unstableness or aging of the light source...
实验结果表明,该传感装置可有效地补偿光源强度的变化对测量结果的影响。
The results of emulation show that the reflective spectrum is different under irradiation of a wide band light source with different nonuniform temperature variation fields.
仿真结果表明,对于不同的非均匀温变场,在宽带光源照射下的反射谱是不同的。
The method proposed in this paper can continuously and automatically monitors source water by using the variation of active electrical potential of fish when source water is polluted by toxicant.
本方法是利用鱼类对有毒物质进入水体后引起活动电位变化,来自动连续监测水质的情况。
The spatial and temporal relationship between hydrocarbon generation of source rock and activity episode of faults is mainly responsible for the pattern of maturity variation.
这主要是受控于生油层成烃演化与断裂活动期的时空配置关系。
For the non-function intensity type fiber optic sensors, the main intensity errors are caused by the variation of (1)source device output optical power;
在非功能式强度型光纤传感器中,造成光强变化而导致较大信号误差的主要原因有如下几个方面:(1)光源输出光功率的变化;
Puff trajectory model can deal with the temporal spatial variation of source parameters and meteorological elements, and can be used to simulate the diffusion of all kinds of scales and sources.
烟团轨迹模式能够处理源参数和气象要素的时空变化,适用于各种尺度和各类源的输送扩散模拟。
Puff trajectory model can deal with the temporal spatial variation of source parameters and meteorological elements, and can be used to simulate the diffusion of all kinds of scales and sources.
烟团轨迹模式能够处理源参数和气象要素的时空变化,适用于各种尺度和各类源的输送扩散模拟。
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