高稳定的激光可以产生极细的齿,这样可以非常精确的测量特定的频率或频率变化。
A highly stabilized laser produces very fine teeth, enabling highly precise measurements of specific frequencies or changes in frequency.
但是,社会科学家们已经证实另一项主要原因:气候变化已经成为思想两极分化的问题。
But social scientists have identified another major reason: Climate change has become an ideologically polarizing issue.
不断变化的建筑规范、人们逐渐发展的品味,以及维护这些精美的旧标志牌的高昂成本,让企业欣然接受了发光二极管。它们节约能源,但成本仍然很高。
Changing building codes, evolving tastes, and the high cost of maintaining those wonderful old signs have businesses embracing LEDs, which are energy efficient but still carry great cost.
他生长在一个大家庭中,少年时因家境不断变化而极没有安全感。
As a youth in a large family he suffered many insecurities due to the family's constantly changing fortunes.
房颤复律后心率的突然变化所致的心室复极延迟适应是致心律失常的一个潜在危险因素?
Delayed adaptation of ventricular repolarization after sudden changes in heart rate due to conversion of atrial fibrillation. A potential risk factor for proarrhythmia?
本文正是从实际应用的角度出发,来研究凸极同步电动机在起动过程中的电磁场和电机转子温升变化规律。
From the aspect of practical application, this paper studies electromagnetic fields and rotor temperature rise change of salient synchronous motor in the process of starting.
方法分析247例期前收缩后心肌复极的变化情况。
Methods We analyzed 247 cases of unusual changes of myocardium repolarization after ventricular premature beats.
方法分析250例期前收缩后心肌复极的变化情况。
Methods 250 cases of unusual changes of myocardium repolarization after ventricular premature beats were analyzed.
本文分析了AE D极轨卫星近地点的变化及其相应的大气膨胀和密度分布情况。
In this paper, variations of AE-D's perigee altitudes, the corresponding atmospheric expansion and the density distributions are analyzed.
结果表明,由于雷诺胁强的径向变化,托卡马克等离子体可以自发地产生剪切极向流。
The results indicate that the sheared poloidal flow can be generated in the plasmas due to radial variations in Reynolds stress.
试验结果表明,春小麦机械覆膜穴播增产效果达到极显著水平,其增产机理主要为小麦次生根数的增加和产量结构的变化。
The results show that the technique has significant effect on yield improvement, and the mechanism is the increase of secondary roots and the change of yield component.
初中阶段男女生自我责任心水平起落变化都极明显,而男生的幅度更大。
Both girl and boy students' self-responsibility experienced an obvious fall-and-rise process, in which that of boys changes greater.
一些学者已通过平流层和对流层耦合机制的研究探索极涡变化对低层环流的作用。
The mechanisms coupling the stratosphere and troposphere have been studied by some scientists for understanding the effect of the polar vortex change on the lower circulation.
变温荧光光谱观察双分子膜中蒽醌生色基的荧光光谱强度和峰位极敏感地受到双分子膜物理状态变化的影响。
Both the fluorescence intensity and the peak location of anthraquinone chromophore are sensitively affected by the change in the bilayer physical state.
主要结论如下:(1)北半球及各分区极涡的面积、强度及位置有着很明显的年际及年代际变化。
The main results show as following: (1) There is obvious inter-annual and inter-decadal variation for polar vortex, including the variation of area, intensity and location.
以某极轨对地观测卫星为背景,分析了姿态控制系统中单机部件出现故障时,系统将会出现的状态变化情况,找出故障部件的判定方法;
This article analyzes the status change in the attitude control system when faults appear based on one polar orbit satellite, and provides a method to decide faulty component.
不连续变化,间断变化:种群内的变化,在种群里两极之间很少或没有中间表现型。
Variation within a population in which few or no intermediate phenotypes fall between the extremes.
今天,两极格局早已成为历史,世界发生了翻天覆地的变化。
Today, the history of the bipolar world is long gone, and significant changes have taken place around us.
提要采用卫星测高技术研究两极冰面高程变化和物质平衡状态是目前国际研究的一个热点。
At present, it becomes a research hotspot in the world to study the changes of elevation and mass balance of polar ice sheets by satellite altimetry.
根据寿命数据提取的跃迁四极矩显示,在带交叉区发生形状变化。
The transition quadrupole moments extracted from the measured lifetimes demonstrate that change in nuclear shape occurs in the band crossing region.
用四极质谱计来测量放电前后杂质的变化。
A quadrupole mass spectrometer is used to measure the changes in impurities before and after the discharge.
二极管泵浦固体激光器(DPL)输出光束的方向在某个微小范围内存在随机变化,这种光束指向性的波动在某种程度上严重制约了DPL的应用。
The output beam of diode pumped solid-state laser(DPL) has minute random variation in direction, which results in the restrictions on the appliance of DPL.
在中子辐照环境下,变容二极管c—V特性发生变化,在给定偏置下,结电容随中子注量的增加而下降。
In the neutron radiation environment there occurs the change in C-V characteristics of the Tar-actor diodes. At the given bias the junction capacitance decreases with increase of neutron fluence.
目的:探讨早期复极综合征(ERS)的心电图特点和变化规律,以减少误诊。
Objective: To investigate the characteristic and change regularity of ECG in early repolarization syndrome by analysing36 cases of early repolarization syndrome (ERS).
本文讨论了关于边界电位作线性变化的正方形结构静电四极场;
We describe an exact quadrupole field with square cross-section in which the boundary potential varies linearly with position.
本文提出了在单因素变化实验基础上,以正交设计实验确定极谱最佳底液体系的方法。
This article points out a method for the selection of polarographic base solution using orthogonal design experiment, when single factor changes.
传统二极管箝位变换器的电压变化率和共模电压较高,且波形谐波含量较大,使得输出滤波器的设计变得复杂。
Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.
在稳压电路中,作为电压基准的稳压二极管,随着温度的变化,其稳定电压值亦会发生相应的变化。
In the voltage regulator circuit, the zener diode which ACTS as the voltage datum, along with the temperature change, its regulated voltage value also can have the corresponding change.
软米的粒长在不同的环境下的变化未达显著水平;粒宽和长宽比都达到了极显著水平。
In different area, the variety of grain length of soft rice is not significant and the variety of grain width, ratio of length to width is significant at 1 percent.
软米的粒长在不同的环境下的变化未达显著水平;粒宽和长宽比都达到了极显著水平。
In different area, the variety of grain length of soft rice is not significant and the variety of grain width, ratio of length to width is significant at 1 percent.
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