...ish tapes and sometimes look at some videos in English, but I always could not understand 蛮划算 » Quite cost-effective 我想做许多事情 » I would like to do many things ..
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Civil wars are so costly that well-timed military actions are quite likely (though not certain) to be cost-effective.
内战的代价如此高昂，因此，适时的军事行动很可能是成本有效的(尽管这不是必然的)。
However, most of the traditional techniques for producing transgenic animal were quite complicate, high cost and little effective, which limits their extensive application.
但是传统的转基因动物技术大多操作复杂、成本高、效率低，从而限制了转基因技术的广泛应用。
It is gratified that concrete and steel can be quite saved in the design by using the hollow anti-sliding pile. In consequence, using the new form of piles is economic and cost-effective.
并通过对桩-边坡的有限元模拟分析，得出空心截面抗滑桩不仅能满足抗滑结构要求，而且节省材料是一种较为经济的截面形式，为今后空心截面抗滑桩的设计提供一种新的思路。
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