DDL什么意思？

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.Note that supplying connection information does not initiate data definition language ( DDL ) generatio...

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 ...

DDL的音标：...

“雌”的反义词：雄。...

fired的音标：fired的英式发音音标为：['faɪəd]fired的美式发音音标为：['faɪəd]...

皮可秒...

生物类黄酮...

这只蘑菇的梗折断了.The stem of the mushroom is broken.不要吃蘑菇的梗.Don't eat the stem of a mushroom.蘑菇的菌托通常在底部.The volva of the mushroom is often at the bottom....

lasher的音标：lasher的英式发音音标为：['læʃə]lasher的美式发音音标为：['læʃə]...

We bolted a few mouthfuls of food and hurried on.我们匆匆地吞下几口食物,就赶着继续前进.He bolted into a hansom, and drove to the Goat's Club.他三脚两步上了一部马车, 就赶到山羊俱乐部.The pig rose squealing and bolted...那头猪突然嗷嗷叫着狂奔起来。Finally my nerves ga...

n.棉( cotton的名词复数 )，棉线，棉织物，（其他植物所生的绒毛状的）棉状物...

incubate的第三人称单数（三单）为：incubates...

“巴倍科”的英语可以翻译为：Babesiidae ...

n.刺客（尤指刺杀政治要人者）...

We need such expendable supplies as pencils, ink and paper.我们需要象铅笔 、 墨水和纸张这样的消费品.Once our services cease to be useful to them, we're expendable...一旦我们的服务对他们不再有用，我们就可能被抛弃。Terry Crews as Hale Caesar, an African - Amer...

He confessed to a priest that he had sinned.他向神父忏悔他犯了罪.They sinned against the unwritten rules of this meeting.他们违反了这次会议的不成文规定.You have sinned and must repent your ways.你犯了罪，必须为你的所作所为作出忏悔。...

hoxamycin的音标：hoxamycin的英式发音音标为：['hɒksəmi:sɪn]hoxamycin的美式发音音标为：['hɒksəmisɪn]...

他最为人铭记的创举是率先采用流水装配线。He is best remembered for the introduction of the moving assembly-line.流水围绕大石流过去.A flowing stream inarms a boulder in its passing.流水哗哗地响.The water was gurgling....