Results The direct signs of PTE in echocardiography were the thrombus echo in the main pulmonary artery and the right and left branches of pulmonary artery.
结果肺血栓栓塞症临床表现多样化,超声心动图直接依据是肺动脉主干及左右分支内血栓回声;
In a more direct flirtation with fantasy, Happy Net games echo the economic possibilities of real life.
开心网上的游戏模拟真实生活中的经济商机,使用户更直接地与幻想世界对碰玩乐。
The principle of direct sequence spread spectrum ranging is introduced and the echo model of near field ranging is discussed.
论述了直接序列扩频测距的原理,研究了近距离测距的回波模型。
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