N a system for determining a position at sea, esp that of survivors of a disaster, by exploding a charge underwater at that point. The times taken for the shock waves to travel through the water to three widely separated shore stations are used to calculate their position 声发; 海底声定位测距法
Have you received any offers sofar?
到目前为止，你收到过录用通知书吗？
The second puzzle is why anyone would cut prices sofar as to make a loss.
另一个疑问是：为何要把价格降至造成亏损的地步？
Nitrobenzene is one of the toxic compounds. Much work had focused on biodegradation of it sofar.
硝基苯是一种有毒化合物，目前，关于硝基苯污染物的生物降解已进行了大量的研究。
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