Periodization divides a training cycle of, say, 16 to 20 weeks into phases, each with a specific goal, so you don't have to do every type of workout all the time. In fact, you shouldn't.

阶段性的划分训练周期就是说以16-20周为一个周期，每个周期中有特定的目标，这样你就不用每次都要练习所有的训练方式了，实际上你也不必这样。

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Based on basic training, in-depth analysis of specific standing, flexion, backward bending, torsion, inverted, relax type foundation.

在基础培训的基础上，深入具体分析站立，前屈，后弯，扭转，倒立，放松等体式的根基。

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Mr. NEAL: Typically, when I talk to local coordinators, we hear this general theme that the only type of equipment or training we can do is related to terrorism, that the specific hazards for the community--whether it's floods, whether it's hurricanes--we can't get the money to train for that.

NPR: FEMA's Expanded Responsibilities Questioned