Reproduction and mortality are two primary factors to affect population quantity dynamic.
种群的数量季节消长主要是繁殖和死亡两因素相互作用的结果。
Advantages of CCD in geometrical quantity measurement are high accuracy, on-line dynamic detection and non-contact measurement.
将CCD应用于几何量测量中，可以满足高精度测量、在线动态检测和非接触测量等的工程实际要求。
Conclusions: Radionuclide dynamic renal imaging in quantity is an effective method in early diagnosis of damaged SLE renal function.
结论：放射性核素肾动态显像定量分析是早期诊断sle肾功能损伤的有效方法。
The results show that the different structural parameters of the high-pressure common-rail injector have strong effects on the dynamic characteristic, injection rate and cycle fuel injection quantity.
结果表明：高压共轨喷油器不同结构参数对其动态特性、喷油率及循环喷油量等性能指标有很大的影响。
This system mostly realizes four functions: the inspecting temperature based on image, the storage on real time of dynamic data-base, creating parameter's graph and controlling the quantity of coal.
本系统主要实现四个功能：图像温度检测功能、动态数据库实时存储功能、参数曲线图生成功能和喷煤量的实时控制功能。
This paper proposes a dynamic data filtering mechanism based on best-grid, and analyses the relationship between size of grid cell, quantity of grid in update area and unnecessary information.
该文提出一种基于最优网格的动态数据过滤机制，分析网格单元大小与更新区域网格数量、冗余信息数量的关系。
The calculating dynamic oil quantity in real time can be realized using the data fusion algorithm in measurement system based on multi-sensor.
应用多传感器检测系统数据融合算法，实现原油储罐动态油量的实时计量。
A gray dynamic model is put forward to the infiltration quantity tendency in the Xichuan catchment was predicted by a gray dynamic model, GM (1, 1).
在此基础上，采用GM(1,1)灰色动态模型预测西川河流域降雨入渗量随水土流失治理度的变化趋势。
The seasonal dynamic of the quantity, biomass and height structure of ramets and the quantity, biomass and size structure of tubers were all different.
分株的数量、生物量及高度结构和球茎数量、生物量及大小结构生长季内具有不同的动态过程。
The size and location of the maximum dynamic stress induced with axial vibration were found, the relation between the vibration quantity and the maximum dynamic stress was analyzed.
求出由轴向振动引起的最大动应力的大小及位置，进而对振动量与最大动应力的关系进行剖析。
Objective The study aimed to learn the population quantity and dynamic of Populus pruinosa in Tarim basin.
目的了解塔里木盆地灰叶胡杨种群的数量及动态。
Energy, however, is a dynamic quantity associated with activity, or with processes.
而能量则是与运动或过程联系在一起的动态的量。
The results of field dynamic tests and indoor simulation are basically the same, which verifies the relation between the effective horizontal coupling time and the quantity of receivable data.
现场动态试验结果与室内静态模拟基本相同，验证了有效水平耦合时间与可接收数据量的关系。
Errors are inevitable in all the stationary and dynamic measuring process which prevents us to get the real value of the measured quantity directly.
在一切静态测量与动态测量中不可避免的会产生测量误差，测量误差的存在使我们不能直接得到被测量的真实值。
The equilibrium of complete information dynamic Duopoly quantity competition in continuous-time is the same with Cournot equilibrium of complete information static quantity competition.
在完全信息连续时间动态产量博弈中，均衡解和完全信息静态产量博弈的古诺均衡相同。
Contingency screening is one of the most important functional modules of online dynamic security assessment, which can greatly reduce the quantity of predefined contingencies to be analyzed.
事故扫描可以大大减少需分析的预想事故数目，是在线动态安全评估的重要组成功能。
The experiment results demonstrate that the prototype can accurately log dynamic voltage events and measure characteristic quantity, which meets the design requirements.
实验结果表明，样机能够准确的记录、测量动态电压事件和特征量，满足设计要求。
A semiconductor dynamic quantity sensor includes a semiconductor substrate that includes a movable electrode, a pair of first fixed electrodes, and a pair of second fixed electrodes.
半导体动态量传感器包括一个半导体基底，上面有可移动电极，一对第一固定电极，一对第二固定电极。
A technical concept, "reverse source quantity", based on artificial neural network, has been pointed out in order to carry out a numerical dynamic simulation on hydrocarbon diffusion process.
前言：提出实现烃类重气泄散态势的动态过程数值预测新构想———基于人工神经网络的“反求源”技术。
On the basis of the hydrological and water quality characteristics of Tongbotang river, a one-dimension-dynamic mathematical model of water quantity and quality was deduced.
本文在研究通波塘水文特征和水质特征的基础上，推导出通用性较好的一维动态水量水质数学模型。
The method of building a dynamic mathematical model of the feed quantity sensor measuring was derived from the static model of the sensor and the dynamic model of the same type of sensor.
提出了以传感器静态模型为基础，根据同类型传感器动态模型，通过数学推导建立传感器动态测试数学模型的方法。
Objective to research for the detecting and dynamic condition while a catalytic photometry technique was used to measure the quantity of Fe in human hair and natural water.
目的探讨催化光度法测人头发和天然水中铁含量的测定条件及动力学条件。
Separately when from synchronic and diachronic Angle attempted to discuss its dynamic origin as well as a quantity performance separately.
分别从共时和历时角度分别尝试探讨了其动态性的成因以及量幅表现。
Change of underground water level dynamic tendency for more than one year may be anomalous one, when there is no increasing or decreasing in water quantity.
在无其他因素引起水量增、减条件下，地下水动态大于一年的趋势变化是地下水动态的异常变化。
By the vacuum preloading, the efficient reinforced depth is less than the depth of the dynamic full-wells, and the remained sedimentation is more than the vertical sprang quantity.
采用真空预压法有效加固的深度小于动态完整井所能达到的深度、其残余沉降量大于其竖向回弹量。
Conclusion Dynamic contrast-enhanced perfusion MR imaging can reveal the lesion vascular distribution and quantity angiogenesis of tumor and provide valuable physiopathologic information.
结论动态对比增强磁共振灌注成像可以揭示肿瘤内血管分布状况，量化病变部位的血管生成，为临床提供病理生理学信息。
The dynamic weighing method realizes high-speed fixed-quantity weighing packaging of physical distribution of solid powder-shaped or grain-shaped products with low cost.
为低成本地实现固体粉状或颗粒状产品物流高速定量称重包装。
The dynamic weighing method realizes high-speed fixed-quantity weighing packaging of physical distribution of solid powder-shaped or grain-shaped products with low cost.
为低成本地实现固体粉状或颗粒状产品物流高速定量称重包装。
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