Finds the number of primes between n 1 and n 2.找出输入两正整数之间所含质数数目.Certain important primes seem to peak later in life.某些最佳时期似乎在生命的后半段才会到来.We can also ask whether there are infinitely many primes?我们还可以问,是否有无穷多个素数?...
埃尔加给自己的作品标上了精确的节奏标记。Elgar supplied his works with precise indications of tempo.人们对埃尔加赞誉有加，但他却常觉得自己是个失败者。Elgar received many honors and much acclaim and yet he often considered himself a failure.埃尔加 与 “ 英国音乐复兴”Elgar and "...
Departments of public health must enhance control over prescribed ephedrine preparations.卫生部门要加强对麻黄素单方制剂的管理.OBJECTIVE : To establish an HPLC method for the assaying of ephedrine hydrochloride in Xiaoerhuatanzhike tablet....