主要问题

In this paper we introduced flow redox battery in brief, reviewed its development and actual state on study.

本文简要综述液流电池的发展历史以及其研究现状，瞻望发展前景，并提出它存在的主要问题。

Early renewal of the bank's charter became the primary issue in the reelection of President Andrew Jackson.

早日恢复银行的宪章的主要问题是在竞选连任的总统安德鲁杰克逊。

After completely analyzing all kinds of problems, the measures are presented for improving the intermediate reheat unit's hydraulic control system.

长期以来，改善系统的稳定性和降低甩负荷时机组的动态超速一直是汽轮发电机组液压控制系统的主要问题。

An implant containing 600mg to 1200mg of testosterone can last for between 4 and 6 months or more and it has been suggested that this is the best form (in 1990) in which it can be given . The main problem with implants is their tendency to come out and need reinsertion.

的主要问题与植入物是他们的趋势，走出来，需要重新安置，但一种新方法后，睾酮可在英国，在1996年，所谓的 andropatch *，作为一个贴剂提供睾酮通过皮肤和一个或多个补丁是破旧的每一天。

How the different senses of particle verbs are related and how we can accountfor the relatedness are the questions to be solved in this thesis.

短语动词的多个意义之间是如何联系的以及这种联系的理据是本文所要探讨的主要问题。

In view of the problems in the operation of the oil pressure unit control system made of general relay and contact device and the practical situation of the Baishiyao Hydropower Plant,the reform scheme with PLC and soft starter as its kernel is put forward for the control system.

针对由普通继电器和接触器构成的油压装置系统在运行中存在的主要问题，结合白石窑水电厂实际情况，提出了以可编程逻辑控制器和软启动器为核心的油压装置系统改造方案。

How to improve the reliability of software becomes the major problem of software system design and development.

如何提高软件的可靠性成为目前软件系统设计与开发的主要问题之一。

One of the major problems of a growing business is the need for expansion or even relocation.

的主要问题之一是不断增长的企业是需要扩大，甚至搬迁。

A major problem lies in determining the extent to which the chosen sample is representative.

一个主要问题在于确定在何种程度上选择样本的代表性。

Soil degradation caused by erosion and loss of vegetation is the principal problem to sustainable ecology in the xerothermic regions. Revegetation is considered as the essential process of soil restoration.

植被散失和水土流失导致的土壤退化是影响干热区生态可持续发展的主要问题，植被恢复是修复退化土壤的基本过程。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！