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Remove the batteries when they become weak or when the unit is not in use for extended periods. This will prevent damage to the unit from battery leakage at such time.

如电池耗尽，或长时间不使用本机，请及时取出电池，以免本机因电池漏液而受到损坏。

When the allowable failure rate is specified,the three periods (namely,early failure period,random failure period,and wear-out failure period) ca ...

在载荷和强度分布已知的情况下，可直接运用本文模型计算零件在任意时刻的可靠度和失效率。

The future weather pattern in that area may consist of long, dry periods.

那个地区未来的天气可能是长期的干旱。

That area's future weather pattern might consist of long, dry periods

那个地区未来的天气情势可以会出现长期的干旱。

According to the study, chemical application and agricultural manipulation at key periods could efficiently control rapeseed stem weevil.

对茎象甲的防治应掌握其活动消长规律，抓好关键时期采用化学和农业防治措施综合控制。

Their developing process went through four major periods. They are the germination period in ancient Greece, the forming period from 17 century to 19 century, the revival period during 1920"s and 1930"s in America, and the whoopee period during 1970"s and 1980"s which the contemporary naturalism philosophy of science developed sufficiently.

其发展大致经历了四个时期：古希腊萌芽时期；十七——十九世纪的形成思潮时期；二十世纪二、三十年代在美国的再度兴起以及在同世纪七、八十年代得以充分发展的当代自然主义科学哲学。

Tropo is most common during spring and fall, and during extended periods of humid, windless weather in summer.

Tropo 是最共同在春天和秋天期间，和在潮湿， windless 天气的延长的期间在夏天。

In China's long history of the various periods have been in it for the world premiere of the world's scientific and technological achievements and made great achievements in the development of a great man.

在中国的历史长河中各个时期都出现了让世人为之惊叹的科技成果以及对世界的发展做出卓越成就的伟人。

This can lead to spreading of the worm for longer periods of time.

这可能导致蠕虫长时间内的传播。

My father only got work for short periods and because daily inflation was high he had to go out hawking things like coal, coffee and wurst .

我的父亲当时只得短时期的工作，这是因为每天的通胀率都在高。他不得不走出去摆卖像煤﹑咖啡和香肠wurst的东西。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。