class. l must go to the classroom.

1、

it's time from class. l must go to the classroom.

上课时间到了，我必须要到教师里去了。

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2、

it's time ( for) class. l must go (to) the classroom.

上课时间到了，我必须要到教室里去了。

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3、

l have a new teacher. she is young and beautiful. we all enjoy her class. l love my new teacher.

我有一个新的老师，她又年轻又漂亮，非常和蔼也非常有趣。我们都爱上她的课，我爱我的新老师。

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4、

lubricants, industrial oils and related products (class l) - classification - part 5 : family t (turbines).

润滑剂、工业润滑油及相关产品（L级）。分类。第5部分：T系列（涡轮用）

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5、

lubricants, industrial oils and related products (class l) - family t (turbines) - specifications for lubricating oils for turbines.

润滑剂、工业润滑油和相关产品（L类）.T族（涡轮机）。涡轮机用润滑油规范。

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6、

top science and technology award

最高科技奖

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7、

design and calculation of involute spline cold roll forming die

渐开线花键冷滚轧模具的设计与计算

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8、

tag lets you specify an example of how to use a method or other library member.

标记可以指定使用方法或其他库成员的示例。

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9、

your library member must also cause a check of its immediate caller in the same manner.

您的库成员必须也以同样的方式使其直接调用方得到检查。

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10、

if there exists no possibility of failure then victory is meaningless!

如果没有失败的成分在内，那么胜利本身就没有意义！

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11、

theoretical concepts and practise of siliceous sandstone reservoir acidization by mud acids

硅质地层土酸酸化工艺的理论与实践

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12、

improvement of electronic starting relay of electric locomotive phase splitter

电力机车电子式劈相机起动继电器的改进设计

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13、

check if the models of starting relay and current overload relay are accurate.

检查起动继电器及电流过载器型号是否正确；

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14、

the utility model can prevent contact surface movement and unstable contact of static terminal in existing magnetic starting relay.

本实用新型很好地解决现有的磁力起动继电器静端子接触面易移动、触点接触不稳定等方面存在的问题。

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15、

when people in the room heard someone crying "fire! fire! " they were seized by panic and began to run in all directions.

当屋子里的人听到有人喊“起火啦！起火啦！”时，他们惊慌失措，四处逃散。

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16、

placenta 2 per locule, parallel along the locule ventral suture;

每子房室有2胎座，与子房室的腹面缝平行；

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17、

ovules ca. 20, in 2 rows on wall adjacent to ventral suture.

约的胚珠20，在在腹面的缝附近的壁的2排。

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18、

ovules numerous, arranged in 2 rows on ventral suture.

胚珠多数，在腹面的缝上排列2排。

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19、

we applied bayley scales of infant development (bsid) to measure the mental development index (mdi) and psychomotor development index (pdi).

采用贝利婴幼儿发展量表（BSID）测评智力发展指数（MDI）和运动发展指数（PDI）。

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20、

the effect of olaquindox poisioing on free radical and anti-oxidative system in chicken blood

鸡喹乙醇中毒对血中自由基水平及抗氧化系统的影响

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