Assistant Language Teachers ( ALTs) are regulated to human tape recorders, and then set free to roam the class and "help" thestudents.

一些助理语言教师相当于人类录音机，然后踱步于课堂间并“帮助”学生。

In this paper, we show an optimal plans for simple step-stress ALTS with Weibull distribution and Extreme value distribution.

本文研究了Weibull分布和极小值分布下简单步加试验的最优设计问题。

When she gets back, she sprinkles water and natron cleansing salts to keep the insects away.

当她回来的时候, 她撒了一些水和泡碱清洁盐(natroncleansingsalts)来赶虫子.

He must lives, who thinks most, who feels the noblest and who alts the best.

他必需生活, 谁想得最多, 谁感觉最高贵,谁的高音最好.

1, Headwaters of Urumqi River on the northern slop of Tianshan Alts., hypothetical twenty climatic change scenarios are discussed, which are combinations of temperature increase from 1-4 ℃ with precipitation change of 0, ± 10% and ± 20%.

以天山北坡乌鲁木齐河源1号冰川为例，假设温度升高1&4℃和相应的降水量变化为0，±10%，±20%组合成二十种气候变化情景进行计算。