这个博物馆夜里无人看守。
图中是无人看守铁路道口标志。
那犯人无人看守。
无人看守的铁路道口，应当在距道口一定距离处设置警示标志。
At a railway crossing not watched by any one, warning marks shall be set up at a certain distance from the crossing.
那是个星期六，工作中午就结束了，仓库和停车厂无人看守。
It was a Saturday, when work stopped at midday and the store rooms and motor pool would be unmanned.
通过无人看守的铁路道口时，没有看到火车到来可以加速通过。
When passing an unmanned level crossing, the driver may speed up and pass if he sees no train is coming.
在他们的牢房后面有一个无人看守的走廊，走廊的尽头有一个通往房顶的通风口。
Behind their cells was an unguarded corridor that led to a vent on the roof.
记者无法到达看台，但可以通过场馆后方一个无人看守的停车场靠近码头。
While Daily Mail Online was unable to access the stands, it was possible to get within meters of the jetties via an unguarded park to the rear of the stadium.
为了减少无人看守的水池或游泳池中小孩的溺死事件，提出了一种基于脉宽反窄的水池警报传感器设计方法。
In order to reduce child drowning in the unattended ponds or swimming pools, a design method of a pool alarm sensor based on pulse-width anti-narrow is proposed.
为了减少无人看守的水池或游泳池中小孩的溺死事件，提出了一种基于脉宽反窄的水池警报传感器设计方法。
In order to reduce child drowning in the unattended ponds or swimming pools, a design method of a pool alarm sensor based on pulse-width anti-narrow is proposed.
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