不变化的

A higher sweep speed showing the transient discharge of mid expiratory phase.C.

这一时间不随短串刺激的时程及强度的变化而变化。

An uninflected item that has grammatical function but does not clearly belong to one of the major parts of speech, such as up in look up or to in English infinitives.

不变词：有语法功能但不明确地归于某个主要词类的无变化词，如 up 在 look up 中或 to 在英语不定式中

The wavelet variance verification also indicates that the first main period of the runoff of mountainous watershed in the Shiyang River Basin is 30years, and 22years and l5years are the second and third period respectively; 3 Then we also compared the total runoff of mountain watershed with climate factors of Wushaoling which station is in the mountain headstream area, such as precipitation and temperature, the data record that the correlation coefficient of annual runoff and precipitation variation over the upper reaches in the Shiyang River Basin is 0.61 ,which indicates precipitation is the main water recharge of the runoff.

石羊河流域出山口年径流的周期变化与乌鞘岭站年降水量和年均气温周期基本上都能在同一周期上下浮动，其中出山口年径流量与乌鞘岭山区年降水量相关系数为0.61，说明地表径流量主要是由山区降水补给；年径流量与山区年均气温变化呈0.28的反相关，说明该流域近50年来出山口径流与山区气温呈反比，即径流量随年均气温上升而减少，相关性暂时不十分明显。

A quantitative correlation between carbon and oxygen isotopes of authigenic carbonates from lake sediments can easily be derived.

总的看该地区季风活动经历了不稳定期-增强-有所减弱但仍活跃-强盛-逐渐萎缩几个变化阶段，这一夏季风的变化规律与大气环流模型预测的结果相似。

The results showed that(1) UV-B irradiation can inhibit the growth and photosynthetic rate of Nitzschia closterium,and the inhibiting effects were more significant when the time was prolonged;(2) UV-B irradiation decreased soluble sugar.In the initial 2 days,soluble sugar of N.closterium decreased rapidly,the soluble sugar on the 4~ day has...

结果表明：(1)随着UV-B暴露时间的延长，UV-B辐射对藻的生长以及光合速率有抑制作用，并且时间越长，抑制作用越明显；(2)UV-B辐射使小新月菱形藻可溶性糖含量降低，而且在最初的2d，UV-B辐射使可溶性糖含量降低迅速，第4天的可溶性糖含量稍有所升高但与第2天相比差异不显著，UV-B辐射第6天，可溶性糖含量又迅速降低；(3)UV-B辐射的可溶性蛋白含量在第2天明显升高，随后又快速下降；(4)对照组的还原型谷胱甘肽含量的变化随时间延长而升高，UV-B辐射第2天的GSH含量比初始状态(0d)的GSH含量稍有升高，但变化不明显，第2天之后，GSH含量随时间延长而快速降低；(5)对照组的过氧化物酶活性随时间延长而升高，UV-B辐射第2天的POD活性比初始状态(0d)的POD活性显著升高，第2天之后，POD活性随时间延长而快速降低。

Based on the experiment, the mechanism of cytoplasmic male-sterile are also dicussed in this paper.

这些同工酶在数量和活性上的变化说明了雄性不育系花药中基因表达规律的变化。

No-class-regulated was used to regulate temperature discretionarily during the service temperature range, and automatically maintain constant temperature, stabilizing with the temperature change.

在调温方式上采用无级调温方式，在调温范围内随意调节温度的高低，并且自动保持恒温，不随室温的变化而变化。

The code MFEL 1 is applied for short pulse case of, for example, rf linac FELs, FELO is for single mode simulation which can describe the motion in phase space of electrons with energy spread and give some interesting results in short computer running time.

计算表明，在短脉冲情况下，激光强度、品质、增益和能量抽取效率强烈依赖于电子束流强度，对一定范围的能散变化却不敏感；但在长脉冲情况下，上述物理量对能散在同样范围内的变化较为敏感。

Due to the change of nature environment and influence of human actives, changes take place in hydrological conditions and water quality in the Shanghai municipality, moreover the current standard is inadaptable to the new situation.

上海市由于自然环境的变化和人类社会活动的影响，水文情势和水质发生变化，一些规律已被打破，原有标准已不适应。

At the beginning, the coefficient of friction changed intervein.

在摩擦初始时，摩擦系数呈现交错变化，随时间的推移，摩擦系数出现分化，石墨化度高的试样摩擦系数较低，当石墨化度增加50%时，磨损率增加0.05%，磨损量变化不是很大。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。