The HT-6M Tokamak can be operated stably in the super low density (SLD) region with a few over-hot electrons by some specific methods.
通过一些特殊方法，HT-6M托卡马克可以稳定运行在只带少量过热电子的超低密度（SLD）区域。
Fiber Reinforce Plastic (FRP) is a kind of composite materials which has high specific intensity, high specific rigidity, low density, excellent corrosion-resistance.
纤维增强材料(FRP)是一种具有比强度高、比刚度高、低密度、耐腐蚀性等优越性能的复合材料。
ANSWER: Holland has a specific situation—it has an enormous population density, quite healthy economy and a big demand for housing that leads to a large building production at relatively low coasts.
答：荷兰的建筑形势很好，人口密度大，经济运转良好，大量的需求产生了大量的建设，同时造价也比较低。
The relationships between specific heat of PU rigid foam at low. temperature and such parameters as those of temperature, density and ageing time, etc., have been discussed.
讨论了聚氨酯硬泡沫塑料低温比热与密度、温度以及空气中存放时间等参数的关系。
Results:Plain scan of CT has non-specific findings, including peri-renal fluid collection, haematoma , nephrydrosis and low density when complicated with kidney laceration;
结果：CT平扫无特异性表现，主要有肾周积液、血肿形成及肾盂积水，伴有肾挫裂伤时可有包膜下低密度影；
Results:Plain scan of CT has non-specific findings, including peri-renal fluid collection, haematoma , nephrydrosis and low density when complicated with kidney laceration;
结果：CT平扫无特异性表现，主要有肾周积液、血肿形成及肾盂积水，伴有肾挫裂伤时可有包膜下低密度影；
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