设立监护人和警戒区域。
美国航空航天局计划在周二发射演示火箭，但是计划被肯尼迪太空中心上空密布的云层和一艘在发射警戒区域四处游逛的船所打乱。
NASA planned to launch the demo rocket on Tuesday but was stymied by cloudy skies over the Kennedy Space Center and by a boat that wandered into the launch danger zone.
好不容易天气终于好了些，一艘货船又闯进了警戒区东部，那一区域正在火箭的飞行路线之下。
At one point, when weather finally cleared, an errant cargo ship strayed into the danger zone on the Eastern Range, a patch of restricted waters on the Atlantic Ocean over which rocket launches fly.
武装分子不择手段地渗透到严密警戒的区域。
The insurgents are using every means to infiltrate into tight security areas.
在不能得到目前的泡沫破裂危险程度的情况下，尝试性地通过建立了区域房地产市场预警系统对杭州市住宅市场的健康性和警戒程度进行了判定。
We try to establish the regional real estate early warning system to judge the healthy and alert degree of housing market because we can't obtain the dangerous degree of bubble burst.
船长的TT紧张地警戒，他解释说，在这片区域，有22多年的捕鱼经验，他知道通过其他船只的灯光，来判定与自己船只的距离。
Captain TT was tensely alert. He explained that with 22 years of experience fishing in this area, he knows it intimately and he can recognize other ships by their lamplight.
某些公司的警戒区主要是吊装警戒区，未将搬运的区域划入，而有的公司的警戒区范围则很小。
Some of the company's warning area is the main lifting warning area, will not be handling areas included, and some of the company's alert area is very small.
不要在同一个区域待太久，不然可以能引起敌人警戒。
Don't haunt the same area too long. It encourages enemies to Spy check for you.
主控人员立即对事故发生地点区域设置安全警戒，戴上防毒面具、连体防护服等防护用品或设施，对泄漏点进行检查。
3the Master control staff immediately sets security cordon in the accident area and wears gas mask and protective jump suit etc. protective equipments or safeguards to examine the leaking point.
人们往往认为乌鸦进食时，其中的几只时不时地绕着那一区域俯冲，是警戒可能想捕食它们的天敌。
While they are feeding, some crows constantly dash around the area, keeping watch for predators that might want to eat crow.
根据受事故影响区域具体情况，划定警戒区，设定出入通道，严格控制各类人员、车辆、设备和物资出入。
Zones shall be demarcated according to the areas affected and strict control shall be enforced over the passage of people, vehicles, equipment and supplies in and out of the designated passages.
从这草棚区域的阴深处，一个黑影子悄悄地爬出来，像偷食的小狗似的嗅着，嗅着，——要嗅出那警戒网的疏薄点。
From a dark corner of the slum a shadow was creeping silently out, like a thieving little dog nosing around, trying to find an unguarded break in the police cordon.
从这草棚区域的阴深处，一个黑影子悄悄地爬出来，像偷食的小狗似的嗅着，嗅着，——要嗅出那警戒网的疏薄点。
From a dark corner of the slum a shadow was creeping silently out, like a thieving little dog nosing around, trying to find an unguarded break in the police cordon.
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