Nowadays the percentage of indigenous reverse osmosis (RO) membrane applied in our country is low for the deficiency of RO membrane functional materials which lead to little species RO membranes.
目前国内反渗透复合膜功能材料单一，性能相对较差，严重影响高性能反渗透的开发，制约我国反渗透工程中的国产化率。
It has been said of the world's history hitherto that might is right. It is for us and for our time ro reverse the maxim, and to say that right makes might.
迄今，关于世界的历史，人们一直说强权即公理，现在应该让我们，让我们这个时代，来颠倒这种说法，让我们说：公理即强权。
It has been said of the world's history hitherto that might is right. It is for us and for our time ro reverse the maxim, and to say that right makes might.
迄今，关于世界的历史，人们一直说强权即公理，现在应该让我们，让我们这个时代，来颠倒这种说法，让我们说：公理即强权。
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