预防

Objective Sum up the experience of preventing the avulsion of perineum when delivery.

摘 要］目的：总结预防分娩时会阴撕裂伤的经验。

The early detecting and judging methods of axle box bearing failure are presented.

介绍了SS8 型机车轴箱轴承故障早期发现和判断的方法，分析了故障原因，提出了预防措施。

The SSP has requested an initial meeting between SSP representatives and the State of Alaska to discuss an NGO incident report on the Selendang Ayu that is currently being produced and explore further actions that need to be taken to prevent future oil spill accidents.

SSP 要求 SSP 代表和阿拉斯加州举行会议来讨论这项非盈利组织报道的事：普遍要求对 Selendang Ayu 进行进一步的检测，有必要预防未来石油泄漏事故。

Several studies have shown that AZT can delay the onset of symptoms,thought it doesn't prevent or cure the disease.

多项研究显示，这种药物并不能预防及治疗艾滋病，但是可以延缓病征出现的时间。

He told them that he wanted AZT, a drug used to treat AIDS patients, to be given to HIV-positive pregnant women to prevent the disease being passed on to their unman babies .

他告诉他们他想要爱滋病防护药提供给带有爱滋病毒的孕妇们，以预防疾病传染给她们虚弱的婴儿们，这是一种为爱滋病患者提供治疗的药。

The best treatment for baby bottle tooth decay is prevention.

最好的治疗婴儿奶瓶蛀牙是预防。

The best treatment for "baby bottle tooth decay" is prevention.

最佳治疗"婴儿奶瓶蛀牙"是预防。

At present Bacillus Calmette-Guerin is still widespread use of the vaccine, but their immune preventive effect not ideal.

目前卡介苗仍然是人们普遍使用的疫苗，但其免疫预防效果不甚理想。

According to the quantitative analysis, the critical time to stop or run back the wheel and shaft when the driving rotor generating an impulse during strike of the return high-pressure gas is calculated...

介绍了我厂关键设备氧化铝沸腾焙烧炉罗茨鼓风机的功能，及自1997年11月投产以来先后发生四次事故的情况，重点分析了由于高压气体回流冲击而使同步齿轮与轴配合面产生相对滑移的可能，通过定量分析计算高压气体回流冲击时对主动转子产生冲量使其停止或反转的临界时间，同时提出了预防措施。

Better strategies for preventing contamination in the first place are being established, and we are improving our ability to distinguish contamination from true bacteremia.

我们阐明了更好的预防血培养污染的策略，并且也改进了区分污染菌和致病菌的能力。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。