优缺点

States the startup styles and their advantages and disadvantages of seveol three-phase ac asynchronous motor,presents the application of the new type electric flexible trigging style in the electric motor of deep well pump and its operating results in our plant,and provides the industial and mineral enterprises with application experience in the application of motor flexible trigging style.

论述了几种三相交流异步电动机的起动方式及其优缺点，介绍了新型的电子软启动方式在我厂深井泵电动机上的应用及取得的运行效果，为电动机软启动方式在工矿企业中的应用提供了应用经验。

In this review, the development of each kind of proliferation tracer would be introduced and the comparison of these tracers was also conducted on.

本篇文章将介绍各种肿瘤增生造影剂的发展，并探讨其优缺点及未进一步研究的方向。

Analyze the delay of toll station and the fixed need model of tollgates deployment. 3 Research models of distinguishing multi-path traffic in network toll collection system and compare the strongpoint and shortcoming of varies methods systemically. 4 Bring forward the method of distinguishing multi-path traffic in network toll collection system.

本文主要做了以下几方面的工作： 1阐述了路阻函数和交通流量分配的网络均衡两原则。2分析了收费站的延误与缴费车道确定性选择模型。3深入地剖析了联网收费的路径识别模型及其优缺点。4 提出了高速公路联网收费中二义路路径识别的一般方法。

Comparison was made between the molybdenum target X-ray photograph and color untrsonic on their advantages and disadvantages.

并且与钼靶X线摄影、彩超等临床诊断方法的优缺点进行比较分析。

Based on a thoroughly research on the home and foreign literatures, the status and development trend of concept studies on laser propulsion thrusters is summarized.

通过对比分析给出了各种激光推进器构形的优缺点，并就激光推进器概念设计的发展趋势进行了分析讨论。

What are the advantages and disadvantages of selecting a nerve block technique for the ambulatory patient?

对门诊手术选择神经阻滞的优缺点？

There are numerous advantages to selecting a nerve block technique when the type of surgery permits.

对门诊手术选择神经阻滞的优缺点？

It is very important and necessary to carry out the basis research of the system theory as well as its application technology. In chapter Ⅰ, the concept of unresolved targes and the application area of point target detection problem are first introduced. Both the art states and the history works of PTD research are then reviewed.

文中第一章首先概述了点目标概念的提出和点目标检测问题的实际背景，继而综述了图象序列中点目标检测技术研究的历史和现状，简要地叙述和讨论了点目标检测问题的现行主要技术方法及其各自的优缺点。

This paper analyses and discussed solidification theories, status of solidification research and application, application field, advantage and disadvantage of cement solidification, bitumen solidification, plastic solidification, glass solidification and synroc solidification quite systematically.

对水泥固化、沥青固化、塑料固化、玻璃固化、人造岩石固化等5种固化处理方法的固化机理、研究现状、应用情况、适用领域及优缺点进行了较系统的分析探讨。

This paper analyses and discussed solidification theories, status of solidification research and application, application field, advantage and disadvantage of cement solidification, bitumen solidification, plastic solidification , glass solidification and synroc sol.

对水泥固化、沥青固化、塑料固化、玻璃固化、人造岩石固化等5种固化处理方法的固化机理、研究现状、应用情况、适用领域及优缺点进行了较系统的分析探讨。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。