This method can reduce the amount of garbage your group must pack out at the end of the trip and eliminate the undesirable need of stashing or burying unwanted trash.
这种方法能减少你的队伍在旅途结束时必须带回的垃圾数量，并减少不必要的隐藏或掩埋不需要的垃圾。
The results show that It is a high speed, convenient and accurate method as compared with end-group analytical method.
结果表明核磁共振内标法求聚氧丙烯甘油醚类化合物数均分子量快速，方便，准确。
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