发出物

One common explanation of UFOs is that they are just lights of planes in the sky.

对不明飞行物的一个普遍解释是那只是天上飞机发出的光。

And a fluorescence molecule beacon probe is designed between upstream and downstream priers, 5' end of probe can mark fluorescence reporter group FAM, and the 3' end markes fluorescence quenching group DABCYL, and 5' end and 3' end of the probe have 6 bases which can be reflected and complemented to make fluorescence molecule beacon probe do not give out fluorescence signal in free state.

在上下游引物中间设计一条荧光分子信标探针，探针的5'端标记荧光报告基团FAM，3'端标记荧光淬灭基团DABCYL，探针的5'端和3'端有6个碱基能反折互补，使荧光分子信标探针在游离状态下不发出荧光信号。

Sensors for detecting flammable vapours and smoke alert plant personnel to potential hazards, and can also trigger automatic control systems that close valves to prevent the release of more hazardous material

探测可燃性烟雾的探头给工厂人员发出有潜在危险的警报，并且可以触发自动控制系统，关闭阀门以防止泄漏更多的危险物

Sensors for detecting flammable vapours and smoke alert plant personnel to potential hazards , and

探测可燃性烟雾的探头给工厂人员发出有潜在危险的警报，并且可以触发自动控制系统，关闭阀门以防止泄漏更多的危险物

A structure of steel bars raised on side supports to bridge over or around something; can display railway signals above several tracks or can support a traveling crane etc..

一种钢条式的支撑结构，它一般在某物的上方或周围；它能位于好几个路轨上方发出铁路信号，也能支撑一个起重机等。

But bans in the Bahamas on the export of shark parts and commercial long-line fishing have made the islands' blue waters a veritable shark sanctuary.

但是在巴哈马群岛已发出禁令：&在出口鲨鱼部分分离物和商业贸易的长线捕鱼&已经使得群岛的蓝水成为一个真正的鲨鱼避难所。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。