They take the space shuttle , and go there and back.

Can I go there and back in a day?

我一天内能打来回 吗 ?

Can I go there and back in one day?

我能够一天打来回吗？

You have enough time to go there and back before dinner.

你们到那里去了再回来吃晚饭还来得及.

We drive there and back on one tank of petrol.

我们开车到那里来回用了一油箱汽油.

It's one hell of a train trip, about five days there and back.

这趟旅行来回坐了大约5天火车，受的那个罪就别提了。

It takes four hours to go there and back.

往返要4个小时。

I want to go there and back on the same day.

我想一天就来回.

She had to cover her own mouth to keep back the cries.

她不得不捂住嘴,抑制住哭声.

The fireman told me to keep back.

消防队员要我站远点.

She struggled to keep back the tears.

她努力忍住泪水.

She wasn't able to keep back her tears.

她抑制不住眼泪.

I will keep back nothing from you.

我对你什么都不隐瞒.

I fought to keep back my tears.

我努力控制住泪水.

In vain I tried to keep back my tears.

我怎么也忍不住我的眼泪.

The two-week prevalence of attendance and hospitalization rate of herdsmen was well below the national rural level in 2007, The two-week prevalence of absence rate and none-hospitalization rate was higher than the national rural level.

牧民两周就诊和住院率低于同期全国农村水平，两周患病未就诊和未住院率高于同期全国农村水平。

Residents in two weeks is not 42.53% attendance and the rate should be patient hospitalization rate is not 24.68%.

居民的两周未就诊率是42.53%，应住院未住院率是24.68%。

The research under the condition of absent queen colony suggest: worker bees in the absent queen colony appear fidget, more tend to sting, attendance rate descend to 36 5~ 48 3%, the ability of collection degrade.

对无王状态下蜂群的研究表明：无王蜂群烦躁不安，易螫人，出勤率下降365～483%，采集力降低。

Based on the attendance rate and average net income per attendance in the village clinics in Qinghai province, we have calculated the theory numbers of the reasonable village population that can achieve the corresponding income if it was only clinic considered.

本文根据青海省村卫生室门诊就诊率及均次纯收入等指标，测算出了乡村医生要达到相应收入需要的村卫生室理论服务人口数。

Fifth, the participation rate of combined treatment to farmers for two weeks, on different income groups to improve the attendance rate, to reduce the lowest income group and the highest income group treatment prevalence rate is not significantly promoted.

第五，参合对农民两周就诊率、对改善不同收入组的就诊率、对降低最低收入组和最高收入组的患病未就诊率均有明显的促进作用。

The paper designs a genetic algorithm resulting from the passenger train line planning based on the random stop-pattern, and the attendance rate of the train is set as the optimization direction of the passenger volume assignment between stations.

设计了基于停站方案的列车开行方案生成算法，算法中嵌套了将列车上座率作为优化方向的客流分配方法。