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?...
她从他怀抱里挣脱出来,走到窗前。She broke loose from his embrace and crossed to the window.躺在他的怀抱里真是舒服.It was so comfortable resting in his arms.她投入他那双臂张开的怀抱.She threw herself into his outflung arms....
切纸机属于4等安全风险的危险机械.Paper cutting machine belongs to 4 security risk of dangerous machinery.我们主要致力于 中高档 电脑程控切纸机的 研发 、 生产.We are committed to high - end computer qzyk of r & d, production.专业维修: 各种规格 、 型号胶印机 、 晒版机 、 切纸机号码机等.P...
TAXONOMIC DISCUSSION OF MEGOPHRYS LATERALLS ( ANDERSON ) AND RELATED SPECIES ( AMPHIBIA: PELOBATIDAE )白颌大角蟾及其相关物种的分类探讨 ( 两栖纲: 锄足蟾科 )A new hynobiid species Hynobius guabangshanensis from Hunan Province , China ( Amphibia:...