Other professors like to test by coverage-that is, by asking about a very broad swatch of material to see how much you've taken in.
另外的教授喜欢用覆盖的方法考试，就是问有关材料的非常广博的问题，看你了解了多少。
Through afforestation test with different containers, was analysed effect and summarized that "tree-planting bag" is the best afforestation material among other containers.
通过不同容器造林试验，分析总结出植树袋是一种优于其它容器的造林材料，它的使用将会使干旱区造林效果呈现质的飞跃。
We also make cooperation with material processing plants and leading enterprises in same line to provide product design, processing technology, performance test and other services.
我们与材料加工商和行业领先企业合作，提供产品设计、加工技术、性能检测等协助和服务。
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