越来越多的证据表明，响应气候的变化，世界许多地区的滑坡发生的频率和程度正在发生变化。
There is mounting evidence that the frequency and magnitude of landsliding is changing in many parts of the world in response to climate change.
它提供优秀的频率和程度控制，宽模拟制式能力。
It provides excellent frequency and level control, and wide analog modulation capabilities.
目的：探讨社会转型期不同性别师范类大学生对应激源的感受频率和程度。
AIM: to investigate the frequency and degree of perception to stressors in normal university students of different gender during the period of social transformation.
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