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.

互联网摘选 2025-01-18 12:12:27

重点词汇

相关例句

1、

The program starts with NC file input , ends with CL file output.

转换程序从读入NC代码开始, 到输出CL文件结束.
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2、

A command file must not contain the CL command.

命令文件一定不能包含CL命令.
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3、

Make sure if he is in the cla room.

检查一下他是否在教室.
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4、

It's one of the biggest events. It's a cla ic race.

我也是.我还期待着马拉松比赛.这是重大的奥运会项目之一. 它是经典的比赛项目.
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5、

Transitional metals ( Fe 3 + ) play an extremely important role in catalyzing CLA oxidation.

变价金属离子 ( Fe~(3+ ) )能够促进共轭亚油酸氧化.
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6、

Conjugated Linoleic Acid ( CLA ) are isomers linoleic acid and beneficial for people health.

共轭亚油酸 ( CLA ) 是亚油酸的一组构象和位置异构体,对人体健康有着重大的意义.
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7、

Conjugated linoleic acid ( CLA ) is a positional and geometric isomers of linoleic acid.

共轭亚油酸 ( CLA ) 是亚油酸的同分异构体的混合物,主要来源于牛乳、乳制品及反刍动物食品的天然营养成分.
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8、

The highest yield of c 9 , t 11-CLA was found in MRS medium by L . helveticus L 7.

helveticusL7生物转化的CLA产物由c9,t11 -CLA 和t9,t11-CLA组成.
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9、

Conjugated Linoleic Acid ( CLA ), being a new functional fatty acid, was concerned by people now.

共轭亚油酸 ( CLA ) 作为一种新型的保健脂肪酸, 日益受到人们的关注.
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10、

The CLA content Safflower & Citrus is naturally derived from safflower a healthy source of CLA.

型体乐的CLA乃从天然番红花油提炼而来,提供更健康的CLA来源.
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11、

Human HDL-R is also known as CLA-1 ( CD 36 and LIMPII analogous-1 ).

人的HDL -R 被称为CLA -1 ( CD36andLIMPanalogous -1 ).
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12、

The concentration of tt-CLA by acid-catalyzed method was 24.66 %.

酸催化法后反反CLA(tt-CLA)含量为24.66%.
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13、

The average resistant rates for respective antibiotics were Ofl ( 87.4 % ), Ery ( 59.2 % ) , Cip ( 39.0 % ) , Azi ( 17.2 % ), Tet ( 13.6 % ), Cla ( 7.8 % ), Dox ( 6.1 % ), Jos ( 1.6 % ) and PRI ( 0.6 % ).

各抗生素平均耐药率由高向低依次为:氧氟沙星 ( Ofl)87.4%,红霉素 ( Ery ) 59.2%, 环丙沙星 ( Cip ) 39.0%, 阿奇霉素 ( Azi ) 17.2%, 四环素 ( Tet) 13.6%, 克拉霉素 ( Cla ) 7.8%, 强力霉素 ( Dox ) 6.1%, 交沙霉素 ( Jos ) 1.6% 和原始霉素 ( PRI)0.6%.
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14、

How could you say that as the chief of the ClA?

作为中情局的负责人你怎么能这么说话!
来源：电影对白
15、

Why would he carve himself up if he were still ClA?

如果他还是中情局干员为什么自己动手术?
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16、

Can't you tell a spy from a ClA agent?

难道你分不清间谍和特工人员吗 ?
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17、

This paper presents a new valve clack structure of the solenoid valves, and shows its advantages.

本文介绍一种不用过渡层硫化成型的阀瓣结构, 并指出这种结构较目前流行的阀瓣结构所拥有的优越性.
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18、

The old woman will clack for a long time when she meets her neighbours.

这位老太婆遇到邻居时总要唠叨半天.
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19、

The actor Clack Gable is excellent too.

男演员克拉克·盖布尔也很出色.
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20、

With more here's Owen Clack.

欧文·克拉克在这里为您带来更多报道.
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