[ Methods] To carried out spot investigation and hazardous factors detection of occupational disease in 38 corporations that produce and use hypertoxic articles.

An equivalent failure element is derived for a failure path by using the concept of equivalent linear safety magin of the parallel system.

利用并联系统等效线性安全余量的概念，形成由失效途径的等效失效单元组成的串联系统；

Reliability design with safety magin

可靠性设计中的安全系数

Experiments demonstrate that the MM algorithm is better in the performance of magin, classification error rate, and training speed than other training algorithms, also because of that, this paper uses the MM rule to train perceptron.

实验表明，跟其它感知器训练算法相比，MM算法在分类间隔的性质、分类错误率、训练速度等方面具有较好的性能，也基于此，本文用MM算法训练感知器。

You are saying that the left magin of paragraphs should be1.5 times the height of the font of that paragraph.

这意味着段落的边界宽度将是它里面的文字的高度的1.5倍。

Ball-Rokeach is one of the two former editor-in-chiefs of Communication Research and known for her Theories of Mass Communication, which was cooperated with DeFleur and published in Chinese 15 years ago.

陈力丹：鲍尔-洛基奇是前任《传播学研究》的两主编之一，她与德弗勒的合著《大众传播诸论》15年前就在中国出版了中译本，因而被我国传播学界知悉。

Those are three of the countries that make up the Arabian Peninsula.

它们是组成阿拉伯半岛的三个国家。

The Upper Precambrian to Cretaceous of Central and Southern Arabian Peninsula

阿拉伯半岛中南部上前寒武系至自垩系地层分布及特征

Camels were likely domesticated in the Arabian peninsula about three thousand years ago.

骆驼很可能在3000多年以前的阿拉伯半岛上就被人类所驯化。

Physical geography: located in southwest asia, north-east of the Arabian peninsula.

自然地理：位于亚洲西南部，阿拉伯半岛东北部。

Even more impressive, the birds completed the ascent under their own muscular power, with almost no aid from tail winds or updrafts.

更令人惊奇的是，这些斑头雁在上升过程中仅仅凭借它们自己肌肉的力量，而并未借助顺风或上升的气流。

I believe with the tail wind generated by our Internet Plus strategy, we will be able to bring Chinese economy off to a new level.

我想站在“互联网+”的风口上顺势而为，会使中国经济飞起来。

The reliability, stability and economy of the device have been testified to be fine which has settled the problem of erosion of condensate in tail dust to wind fan, flue, chimney and other structures.

该系统投入运行后，证明本烟气再加热装置的可靠性、稳定性、经济性都是很好的。有效解决了尾部烟道的凝结水析出对风机、烟道、烟囱等设备及构筑物的腐蚀。

The omnidirectional windlass mill can utilize the wind energy of tail wind, side wind and even dead wind simply and effectively.

本实用新型能简单而且有效利用顺风、侧风甚至逆风的风能。

A stout tail wind was giving a friendly boost.

一股强劲的顺风正在给予有利的推动。

Applications have a railway emergency call, marshalling operations, multi-driver communications, train tail wind pressure, transmission and print out orders, the vehicle trips of transmission, voice and data storage and communication patterns cut over, GPS positioning location kinship and other functions.

应用方面具备了铁路紧急呼叫、调车作业、多驾驶员通信、列车尾部风压、调度命令传送和打印、车次号传输、语音及数据的存储及通信模式的切换、GPS定位的位置寻址等功能。

There is no need to fear the loss of this tailwind;

担心这种福利消失是没有必要的；

Still, no one in a hurry would turn down a portable tailwind.

不过，没人会急着拒绝这样一个便携式“顺风跑鞋”。

It's faster coming back across the Atlantic because of tailwinds.

由于顺风，横渡大西洋回来时要快些。

To conserve energy, migratory birds prefer tailwinds, and are willing to wait for good weather.

为了保存体力，候鸟喜欢顺风迁徙，并且愿意为迁徙等待好天气。

You also keep a tab on the number of total time zones for the later construction of percentages.

您还可以保持一个关于总时区数的标签，以便将来创建百分比。