瞬时的

Environmental emergency is different from general pollution in its substantial outburst momentarily and its irregular outfalls.

突发性环境污染事故不同于一般的环境污染，它没有固定的排放方式及途径，是瞬时、大量地排放污染物质的恶性污染事故。

Unlike most of the existing schemes, this paper presented a novel quasi direct power control method for PWM rectifier in stationary frame based on instantaneous power theory.

通过分析电压型PWM整流器的瞬时功率，在两相静止坐标系下提出一种新型的准直接功率控制策略。

In this paper a numerical method—implicit method of finite differences of tidal flow and salinity equations is presented to calculate instantancous salinity in the water taken from the tidal estuary of well-mixed type.

强混合型；无条件稳定；分布状况；计算方法；钱塘江河口；含盐度；潮汐水流；本文介绍一种强混合型河口取水的瞬时含盐度计算方法——潮汐水流和含盐度方程的隐式差分方法。

The rate gyro feedback provides positive dynamic stability and well-damped transient response to commands or disturbances.

速度陀螺反馈提供正向动力学稳定性和对于指令式扰动的很好阻尼的瞬时响应。

The rate gyro feedback provides positive dynamic stability and well-damped transi t response to commands or disturbances.

速度 陀螺反馈提供正向动力学稳定性和对于指令式扰动的很好阻尼的瞬时响应。

Based on the chemical evolution model of Milky Way disk. We have establishan infail model without IRA (Instantaneous Recycling Approximation) to studythe star formation history in M31 disk.

本文以银河系化学演化模型为参照，通过建立非瞬时循环假设下的内落模型，详细研究了M31的恒星形成历史。

Son of Heaven standing on the Peak, the snow will blow against our faces to the world our vision instantaneous absorption of the past, snow, white time, crystal clear ......

站在天子山顶，扑面而来的冰雪世界瞬时把我们的目光吸了过去，银装素裹，洁白无暇，晶莹剔透。。。。。。

Power balance is necessary to ICF, including the energy balance and pulse shape uniformity at the target.

功率平衡作为对称性惯性约束聚变的必要条件，它是指多路激光脉冲到靶点的精确同步、能量平衡且波形一致，即瞬时功率平衡。

Comparative analysis the reinforcement result of the instantaneous and step by step preloading and the state of setting up the plastics drain board (different spacing or different length). It has offered the objective basis for the research and analysis of the subgrade settlement and the consolidation steadily further.

比较分析瞬时加荷与逐级加荷以及塑料排水板不同设置状态（不同间距时，不同长度时）的加固效果，为进一步研究分析地基压缩沉降和固结稳定以及塑料排水板布置方式的优化设计提供了客观依据。

The control signals of the PWM rectifier are obtained by comparing the current of AC side with triangular wave (or saw-tooth wave) directly, which can implement the steadiness of the voltage of DC side and unit capacity factor of the system. At the same time, harmonic component of the system is abstracted through Instant Reactive Power Method, which can be smoothed by Integrated Learning Boost Converter Control.

本文采用重复学习Boost变换技术，利用滑模变结构控制技术对单相PWM整流器恒频Boost变换进行了分析，提出将交流侧电流直接与三角波相比较得到开关控制信号的方法，实现直流电压恒定不变及系统单位功率因数；同时，利用瞬时无功功率法分析系统谐波，并在谐波域内使用重复学习的控制方法，结合Boost变换技术，有效滤除系统谐波有功电流。

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。