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The studied revealed that propamidine have distinct influence on growth and development of Botrytis cinerea Pers., but there were some difference when sprayed propamidine at various periods.

结果表明：丙烷脒对番茄灰霉病菌的生长发育有明显影响，但不同时期施药，表现出一定的差异性。

Male bottlenose dolphins are generally bisexual, but they go through periods of being exclusively homosexual.

雄性海豚往往都是双性恋者，而在他们的某些阶段会是纯粹的同性恋者。

Bracton and his successors, i.e., many common law jurists in different periods have made efforts to enrich this thought.

从布拉克顿开始，不同时期的普通法学家对这一观念进行了丰富。

In the middle age, the history of Braga during Visigoth and Arab times is very obscure and represent periods of decadence for the town.

在中年时期，在西哥特人的布拉加和阿拉伯时代的历史是非常模糊和代表颓废时期的城市。

Introducing the Darwin's method of treating x-ray diffraction in crystals into Bragg diffraction for multilayer structure, a series of analytical expressions are obtained, which can be used to calculate the reflectivity, the Darwin's width, the minimum number of periods and the energy resolution.

将晶体动力学衍射的Darwin理论运用到多层膜对称Bragg反射中，给出了一系列解析表达式，可计算强度比、反射线角宽度、最小周期数及能量分辨率等。

There are also fruits that were prevalent in other time periods as a source of starch, such as breadfruit.

在过去其它一些时候，也有水果会成为淀粉的普遍来源，例如面包果。

On the other hand, the world has gone into an era of knowledge economy, the manufacture technology of the automobile industry in the world is much more than design and production and should include its whole life period or periods from market investigation, development and amelioration, manufacturing, distribution, after-sales service, breaking-down and reclamation to new cycles.

一是我国加入WTO后，国产汽车要应对全球化的挑战；二是进入知识经济时代，世界汽车工业的制造技术应考虑和操作的不再止于产品的设计与生产，而应包括从市场调查、产品开发和改进、制造加工、销售、售后服务，到产品报废、解体、回收，再到循环使用、循环利用的产品整个生命周期和多个生命周期。

He was Brentford's defensive star in pluckily holding out the determined Reading raids for long periods.

他是布兰夫德地区的防卫专家，长期以来，他一直大胆地支持搜捕雷丁的决定。

After periods of 1-8 months' observation, the diagnosis of bronchogenic carcinoma was ultimately p...

而同时的细胞学检查为阴性，追踪观察1～8个月，病理诊断为肺癌。提示该方法是对可疑肺癌患者动态观察协助确诊的新手段。

This exhibition shows you hundreds of pieces of bronze ware of the West Zhou and Warring States periods .

在一良好的领袖领导之下，部队在长时期的艰苦中，亦能维持士气。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失