Whereas the farmland protection forest pests and diseases occur yearly, which seriously endanger the normal growth of crops, resulting in ecological shelter lost its function.

Conclusion It's a safe and effective method to cure Rh haemolysis disease by Rh positive blood exchanging when emergent diseases occur.

结论在病情紧急时，用Rh阳性血换血治疗，是一项安全有效的替代措施。

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Many hinges in human body are the regions where the diseases occur easily is similar to there are many traffic accidents in main roads.

像许多交通要道容易出现交通事故一样，人体的许多枢纽部位也是疾患多发区。

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In the large-scale epidemic diseases occur frequently day, people of various countries public healthy safety have accepted the enormous threat.

在大规模流行性疾病频频发生的今天，各国人民的公共健康安全受到了巨大的威胁。

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Nearly half of all cardiovascular disease events occur in people without elevated blood cholesterol or lipid levels.

几乎一半患有心血管疾病的人群血浆胆固醇及血脂水平并无升高。

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My experience then – and since – has reinforced my sense that events occur within a continuum.

我在当时以及之后的经验加强了我的感觉：大事的发生具有连续性。

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Rectifying tower has one pivotal function in the chemical production, where abnormal events occur from time to time.

精馏塔在化工生产中有着举足轻重的作用，故障也时有发生。

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This shall apply even if the party affected is already in default of performance when these events occur.

即使受到影响一方在事件发生时已经存在不履行的情况，仍应适用前述规定。

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In recent years, with the rapid development of modern society, all kinds of public emergency events occur frequently.

近年来，随着现代社会的高速发展。自然灾害、事故灾难、公共卫生和社会安全等领域的突发公共事件频繁发生。

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Alerts are notifications in e-mail when certain events occur in your team project.

警报是团队项目中发生某些事件时，通过电子邮件发送的通知。

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Abrupt strong current events occur either with multiple velocity peaks or with a single peak.

突发性强流事件既可呈现多峰型，也可呈单峰型。

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Set the process attribute to "simultaneous" to have all events occur at the same time.

将process属性设为“simultaneous”将使所有事件同时发生。

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Events occur each time the character repeats.

事件也都重复发生。

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CAI attempts to call the appropriate method in this interface when these events occur.

当发生这些事件时，CAI将尝试在这个接口中调用相应的方法。

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The component can use this interface to perform additional operations when such events occur.

当发生这类事件时，组件可以使用这个接口执行额外的操作。

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This handy mnemonic may help us remember when the two events occur.

这个简便的记忆法也许可以帮助我们记得这两个运动会何时举行。

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On the external level, natural events occur when the external properties get provoked.

外在层次上，当外元素被激发时，就会发生自然界的事件。

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You can select to receive an alert when certain events occur.

您可以选择当发生某些事件时接收警报。

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Which, due to product liability to their users damaging events occur?

其中，因产品责任而给其使用者带来损害的事件时有发生。

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When these events occur, you should not let them determine your immediate course.

当这些事件发生时，你不应该让他们确定您立即课程。

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First of all, it introduces some related concepts and terminologies, and analyses sports events where injuries might occur, and the frequency and types of these occurrences;

本文首先分析了大学生体育运动伤害事故中的一些基本概念，通过问卷，调查了其发生的体育项目、发生的频数、活动类型。

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