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Last year biometric machines were also put at all border crossings .

去年，所有的边界过境点都设置了这种生物识别的机器。

Even if israel opens the crossings , some of the siege 's harshest aspects will stay .

就算以色列开放了过境通道，围困之下最严厉的一些方面将仍得不到解禁。

The area covered in their experiment included 13 sets of traffic lights , 68 pedestrian crossings , seven bus and tram lines crossing the network every 10 minutes , and a train station handling over 13000 passengers a day .

他们实验的区域内有13组红绿灯，68条人行横道，7条公共汽车和有轨电车的轨道（每10分钟一班车），还有一个日发送旅客13000人的火车站。

Some 726 south koreans could not reach their factories in kaesong yesterday because all crossings require clearance on the military hotline .

昨天约有726名韩国人无法到达他们在开城的工厂，因为所有过境行为都需要借助军事热线获得许可。

North korea 's border crossings with china are its economic lifelines , as most of its international trade and food aid passes through them .

中朝边境口岸是朝鲜的主要经济命脉，其国际贸易和外界向该国提供的食品援助大多都通过这里的口岸运抵朝鲜。