The model consists of four layers - DDL, DML, DPL and CL.该模型分为数据定义层DDL、 数据操纵层DML 、 数据显示层DPL和控制层CL四层, 这里重点阐述了DDL和DML层.Availability of database definition language ( DDL ) and database manipulation language ( DML ) in DAO ...
Cut the salmon into long strips and wrap it round the circumference of the bread.把鲑鱼切成长条,缠裹在面包上。The range has long appealed to all tastes.该系列长期受到各类人士的欢迎。It's disgraceful that they have detained him for so long...他们把...
Wilful neglect of our manufacturing industry has caused this problem.故意忽略我们的制造业引起了这个问题。He pleaded guilty to wilful dereliction of duty.他承认犯有玩忽职守罪。A wilful fault has no excuse and deserves no pardon.不能宽恕故意犯下的错误....
"His eyes were glassy?"— 'And dilated. They were watery.' — 'Thank you.'“他的眼神呆滞?”——“还双眼圆睁,泪汪汪的。”——“谢谢!”Henry gave Paul a glassy-eyed stare.亨利木然地盯着保罗。The water was glassy.水面清澈明亮。...
羊痘病毒 ( Capripoxvirus,CPV ) 是山羊痘病和绵羊痘病的病原.Capripoxvirus ( CPV ) was the agent of goat and sheep pox disease.对109个疫点及其受威胁区的337061只绵羊,注射了山羊痘疫苗,取得了良好效果.Five to ten days after injection, sheep pox was controlled.山羊痘和绵羊痘病(Goat...