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Sex determination is a choice between two development paths which provide a cascade about studying gene control pattern.

性别决定是在两种不同发育途径之间的选择，它提供了一个研究基因调控的模式系统。

Invariance control for nonlinear cascade systems can provide theoretical methods and practical support.

非线性级联系统的不变控制在理论上的研究正在为控制理论与工程应用提供理论和方法上的借鉴与支持。

This problem can be solved by adopting an auto control scheme which combines expert control with traditional cascade control.

采用专家控制与传统串级控制相结合的加氯系统自动控制方案，能有效地解决上述问题。

This thesis mainly focuses on the control strategy of a new cascade multilevel converter with single DC source.

本文对一种新型单电源级联多电平拓扑的控制策略进行了研究。

At the last of the paper, the hardware and corresponding software design of the control system of SAPF based on the cascade H-bridge converter are discussed.

在本文的最后，介绍了基于级联H桥变流器的有源电力滤波器控制系统的硬件实现和相应的控制软件。

In this paper, the cascade multilevel converter based on CPS-SPWM and its application to Active Power Filter has been deeply studied in theory and practice.

本文从理论和实验两方面研究了级联型多电平变流器及CPS-SPWM控制策略在有源电力滤波器中的应用。

Cascade and diode-clamp voltage source converter has become increasingly popular in recent years due to their practicability.

级联多电平变换器和二极管箝位多电平变换器是现今研究较多并且实用性较强的两种多电平拓扑结构。

The cascade multilevel converter based on CPS-SPWM technique has both of the advantages, so it has attractive perspective in large power application.

基于CPS-SPWM技术的级联型多电平变流器结合了二者的优势，在大功率电力电子装置中有良好的应用前景。

Cascade H-bridge converter with carrier phase shifted SPWM technique and its application in active power filter.

载波相移SPWM级联H型变流器及其在有源电力滤波器中的应用。

The feasibility and superiority of the hybrid multicarrier modulation used in the active power filter based on cascade H-bridge converter is verified by simulations and theoretic analysis.

仿真和理论分析验证了混合载波PWM调制策略应用于基于级联H桥变流器的有源电力滤波器中的可行性及优势所在。

There are two types of gold deposits in this area, namely altered rock type and quartz vein type.

本区金矿床包括两种类型：柴胡栏子金矿床为蚀变岩型金矿；莲花山和红花沟金矿床属石英脉型。

You were home and it was two weeks ago.

你回到了家里。当时是两周前。