...a prize-giving for cattle-breeding.养牛展的颁奖仪式Birth is much,but breeding is more.出身重要,教养更重要。Also needed is more investment in livestock research, such as breeding for hardier animals.同时人们还要加大对家禽研究(例如培育适应性更强的品种)的投资.It...
青腹原虻组二新种记述 ( 双翅目: 虻科 )TWO NEW SPECIES OF TABANUS OLIVIVENTRIS GROUP ( DIPTERA: TABANIDAE )安徽虻属二新种记述 ( 双翅目: 虻科 )TWO NEW SPECIES OF TABANUS FROM ANHUI, CHINA ( DIPTERA: TABANIDAE )土灰虻(TabanusgriseusKr?ber)的生活史研究 ( 双翅目:虻科 )...
我有时会头脑发热,挥霍无度。I can have a brainstorm and be very extravagant.这家公司不久就开始挥霍赚来的钱。The firm soon started frittering away the cash it was generating.他在18个月的奢靡生活中挥霍了533,000英镑。He blew £533,000 in an 18-month orgy of spending....
The precision estimation of RCS is very important for aerocraft stealth design.目标RCS的精确计算和预估是飞行器隐身设计极其重要的一部分.High - speed reentry aerocraft is usually with terminal guidance system.高速 再入飞行器通常具有末制导系统.So the effect of unst...