Each wire measures between 30 and 100 microns in length and only 1 micron in diameter.
每根硅线的长度在30至100微米(micron)之间,直径仅为1微米。
There were extraordinary security measures at the compound, including 3-5 metre-high walls topped with barbed wire.
另外这个院子有特别的安全措施,3至5米高的院墙上还装有铁丝网。
An official described the compound as having "extraordinary" security measures, including two security gates and walls three to four meters high topped by barbed wire.
一位官员称那个建筑备有“特殊”的保安措施,其中包括两道安全门和三、四米高的围墙,上面设有铁丝网。
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