The indefinite integral is an antiderivative.不定积分是反导数.The graph of the antiderivative of the function is called the integral curve of.函数的原函数的图形称为的积分曲线....
The show's full of daredevil feats.表演中有很多惊险的特技。He used to astound his friends with feats of physical endurance.过去，他表现出来的惊人耐力常让朋友们大吃一惊。His heroic feats made him a legend in his own time.他的英雄业绩使他成了他那个时代的传奇人物....
采用反吹法测定高纯氩气中大分子碳氢化合物,能够达到准确、快速测量高纯气体中大分子碳氢化合物的目的.Column switching - back flushing technique can realize accurate and fast measurement of macromolecular hydrocarbons in high - purity argon....