查询词典 prevent changes

Due to changes in the political environment and policy changes in these foreign states such embargoes and measures are subject to change from time to time.

有时这些禁运措施也必须改变，因为政治环境的变化以及这些国家的政策变化。

Therefore, the changes of tongue exfoliated cytology correlated not only to the changes of tongue picture but also to the TCM syndromes.

舌苔脱落细胞MI、MV的变化不仅与与舌质、舌苔的变化严重程度存在一定的内在联系，同时，也与中医证型存在一定的相关性。

The dissertation regards the practices of Mao Ze-dong dealing with Sino-U. S. relations as research topic, exhumes internal mind experiences by external objective actions, studies Mao"s world insight, developing thought and spirit of dealing with concrete matters relating to work, clarifies the changes of Mao"s America view, uncovers subjective and objective reasons resulting from the changes and the influence on the foreign policy transformation and modulation, furthermore, the article will provides historical reference for the contemporary similar problem.

本文以毛泽东一生处理中美关系的实践为研究对象，从外在的客观活动来发掘内在心路历程，把握他面对美国的世界眼光、发展思维和务实精神，理清他对美国认识发展变化的思想脉络，揭示导致这种起伏变化的主客观原因，及其带来的外交策略转变与调整，从而把握中美关系的大致走向，为今天正确处理中美关系提供一些历史的借鉴。

Three components are used to establish it: forgone marginal product, changes in consumption and savings and changes in leisure.

它是由三个部分来确定的：放弃的边际产品、消费和储蓄的变化以及休闲时间的变化。

These changes in the social and economic changes also hastened the birth of China's contemporary art.

这些变化在变革社会和经济的同时也催生了中国的现当代艺术。

Inbreathing will result from the contraction or condensation of vapors that is caused by a decrease in atmospheric temperature or other weather changes, such as wind changes, precipitation, etc.

气体的压缩将造成储罐具有吸入性。气温降低和其它诸如风和水等天气的变化会使气体压缩。

The changes of the images of mother during 30 years and the varieties of times and ideology contained in above-mentioned changes are investigated, moreover, the explorations with female consciousness which emerged on the images of mother indited by modern female writers are also discussed.

以及在这些变化背后可能蕴含的时代的、思想的变化，并探讨了现代女作家笔下的&母亲形象&所蕴含的女性意识。

With the influence of this, the competition in retail trade goes much intenser, it appeared that the domestic corporation fight for market share against the international corporation, the retail trade is going on deep changes: resource integration, supply chains are found up, and the informatization plays a great role in these changes.

受此影响，零售业的竞争日益激烈，呈现出国内企业与已经或即将进入中国市场的跨国企业直接争夺市场份额的局面，我国商品流通领域正在发生一种深刻的变化：资源整合，建立连锁。

It highly embraces the innate characters of politics in the feudal periods,and it proundly portraits pychological changes of ancient offcials which were based on their worries and sorrows in their lives. Meanwhile,it also portraits the changes of officials' status from imperial court to vagabond lives and it also expresss their intoning of their whole life in their struggle and the heavy misery mixed with their tears and blood.

它既高度囊括了封建时代社会政治的本质特征，又深刻揭示了古代士人基于人生忧患的各种心理流程，同时，它也为我们清晰地勾勒出古代士人从庙堂到江湖的地位转变，再现他们在沉重苦难中的挣扎与血泪交织而成的整个生命的咏叹。

In this study,the changes of phenolic compounds ,phenylalanine ammonia-lyase,peroxidase and polyphenol oxidase activities during malting(including steeping,germination and kilning) with three domestic barley varieties were investigated,and the relationships between changes of phenolic content and enzyme activities and malting technics were analysed.

研究了3种典型国产啤酒大麦在麦芽制造过程中酚类物质及其相关酶类(苯丙氨酸解氨酶：phenylalanine ammonia-lyase，PAL、过氧化物酶：peroxidase，POD和多酚氧化酶：polyphenol oxidase，PPO)的变化，分析了制麦过程中酚类物质含量的变化与酶活力和制麦工艺之间的关系，讨论了大麦发芽过程中苯丙氨酸解氨酶在合成酚类物质方面的作用及过氧化物酶对根芽生长和制麦损失的影响。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。