When you want to determine whether a given row includes a comment, you no longer need to check for a null value in the COMMENT column.

1、

Existing Ad Hoc network routing protocols which focus on different angles on the wireless multi-hop routing problem has been studied and optimized on one or several indicators for different applications.

已有的ad hoc网络路由协议从不同角度对无线多跳路由问题进行了研究，对某一个或几个指标进行了优化，适用于不同的应用环境。

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2、

My reduce function will then sum up the counters ( which are just integers with the value of1), thus providing me with the number of times a date occurs in a target earthquake file.

reduce函数将对计数器（只是一些值为1的整数）进行总计。因此，提供给我的是在目标地震文件中某一个日期出现的次数。

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3、

If one DB2 subsystem goes down, or brought off-line for maintenance, other DB2 subsystems in the data sharing group take on the workload of the data sharing member that is now offline.

如果某一个DB2子系统停机，或者出于维护的目的暂时离线，那么数据共享组中的其他DB2子系统就会接管目前离线的数据共享成员的工作负载。

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4、

OBJECTIVE : To study the content changes of the acid ingredients in Flos Ionicerae at different time.

目的考察不同时期金银花中酸性成分的含量变化.

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5、

Objective To identify 17 species of Flos Lonicerae.

目的鉴别17种金银花的质量.

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6、

Result: A TLC identification method of Flos Magnoliae has been established.

结果: 建立了辛夷的薄层鉴别法.

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7、

Objective : To establish a TLC identification method for Flos Magnoliae.

目的: 建立辛夷的薄层鉴别方法.

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8、

Objective To find a better way to dry and use Flos Carthami.

目的选择较佳的红花干燥及服用方法.

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9、

Yield and quality of Flos Lonicerae varied in different phenological phase.

不同物候期采收的金银花产量和质量存在显著差异.

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10、

The FLIR B 660 infrared camera uses an advanced, highly-sensitive detector for non-contact scanning across wide areas.

B660的前视红外红外摄像机采用先进的, 高度敏感探测器的非接触式扫描的广泛领域.

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11、

Discover how FLIR's new B 660 infrared camera can make diagnosing building troubles fast and easy.

了解红外新B660红外摄像机可以建立故障诊断快速和容易.

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12、

He always meant to go back one day, but not to stay.

他总想某一天回去, 但不住下.

《用法词典》

13、

It appeared that he had a taste for music.

看来他对音乐还有一定的鉴赏力.

《简明英汉词典》

14、

A I also like the big, dramatic events at the Olympics.

A我也喜欢奥运会上的大型的、壮观的比赛项目.

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15、

BMaybe you can get a ticket for those events.

也许你能买到这些比赛项目的门票.

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16、

The event altogether has more than 30 major terms.

比赛项目共有三十多个大项.

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17、

The marathon was NOT an event of the ancient Olympic games.

马拉松赛跑并非古代奥林匹克运动会的比赛项目.

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18、

The ancient Olympics had a rich variety of games.

古代奥运会有不同种类的比赛项目.

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19、

In the earliest Games, foot racing was the only sport and was over in one day.

在最初的奥运会上, 赛跑是唯一的比赛项目,一天内即可赛完.

英汉非文学 - 百科语料821

20、

Please call me in case anything happens.

万一发生什么重要事情,请打电话给我.

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