优缺点

Methods of preparing tetramethylammonium hydroxide are summarized, advantages and disadvantages of these methods are compared.

总结了几种制备四甲基氢氧化铵的方法，比较了各种方法的优缺点，介绍了其在不同领域的应用情况。

As for that, the better hysteresis current control circuit is identified after the comparison of two alternatives.

就此本文中提出了两种具体的滞回控制的硬件电路，并对它们的工作状况与优缺点进行了分析对比，最终确定了其中一种作为最终采用的滞回控制电路。

Nowadays, the switches which are being studied or applied, such as gas spark gap, thyratron and ignitron, etc, are of different structures, operating principles, advantages and disadvantages, and are applied in various situations and fields.

目前处于试验中或者投入实际应用的开关元件很多，如火花放电间隙、闸流管、引燃管等，它们有不同的结构、原理和优缺点，应用在不同的场合和领域。

So it is imperious for the development of GIS to realize data coversion and sharing effectively.

本文首先探讨了数据交换的原理和方法，说明了目前四种数据交换方法的优缺点。

Finally, the two schemes are compared and discussed in brief.

最后对两种方法的优缺点进行了比较和分析。

The advantage and defect of PID in engine control is analyzed.

本文分析了传统的PID控制理论在发动机控制中的优缺点。

We have seen that landing gear come in many varieties and each option has its own advantages and disadvantages.

我们看到，有各种各样的起落架，每一种都有它自己的优缺点。

Characteristics and inadequateness of present score function s in the vague set theory are analyzed,and main factors of score function s are discussed.

分析了Vague集理论中记分函数的内涵、本质及现有几种主要记分函数的优缺点，指出了构造记分函数时应考虑的主要因素。

Traditional maps of population distribution have problems like inadequate area size that is too large, the inapplicability of the administrative division unit in many applications and the change of the administrative boundaries over time.

为了改善人口分布图的缺失，现今已有许多人口分布的推估方式，然而这些推估方式各有优缺点，以往研究大多使用单一推估方式，近来有研究提出多层式架构概念，将各种推估方式作一整合，达到截长补短之效果。

The general development on direct current tuning-speed system is introduced in the first chapter briefly; form chapter 2 to chapter 5, the hardware design and calculation of the system are discussed indetail.

本文第一章简要介绍了直流调速系统的一般发展状况；从第二章到第五章讨论了系统硬件设计与计算；第六章给出了系统软件设计及流程图；最后一章对该调速系统的优缺点进行了总结。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。