It is a humanitarian flight and the organizations in the field use this kind of flight to transport the staff or to fly some assistance...
这是一次人道救援飞行,进行救援工作的组织使用这种飞机运送工作人员或者救援物资。
They have done so under a 1952 military-assistance agreement of a kind that the United States has with some 120 countries around the world, including many in Latin America.
美军根据1952年军援协议执行他们的任务,美国曾与全球约120国签署类似协议,包括很多拉美国家。
But a year after the sessions, there was no difference in smoking rates based on what kind of assistance teens had gotten from their nurses.
但是在一年后,无论接受什么样的援助的青少年的吸烟率已经没有区别。
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