n.微積分；算法；結(jié)石

I had studied calculus before I got into college. 我在上大學以前,已經(jīng)學過微積分。

Calculus is over the heads of most students. 微積分對大多數(shù)學生來說太難學了。

This is a problem where calculus won't help at all. 對于這一題，微積分一點也用不上。

I think I've finally unzipped this calculus problem. 我認為我最終解出了這道微積分題。

My acquistion of calculus was a slow and painful process. 我掌握微積分的過程是緩慢而又痛苦的。

Does urine road calculus eat black fungus correctly? 尿路結(jié)石吃黑木耳正確么？

This method is suitable for intrarenal staghorn and othercomplex pyelolithiasis with multiple calyceal calculus. 適合于腎內(nèi)型腎盂鹿角狀或鑄狀結(jié)石并發(fā)腎盞多發(fā)性結(jié)石的治療。