Recently, it's believed that the study of PHV on ARDS is very necessary as it still on clinical trials.
目前仅仅处于临床科研阶段，针对PHV治疗ARDS的研究是非常必要的。
The excellence of portable high-frequency vibroseis (PHV) mainly lies in high-resolution and free choice of sweep frequencies.
可控震源具有分辨率高、频率范围选择自由、能量频谱有一定可控性等优点。
Experiments in Tangshan area demonstrated that PHV works efficiently and stable, and has advantages over other non-explosive seismic source.
PHV在唐山地区的实验结果证明它能够稳定、有效的工作，而且优于其它非爆炸性震源。
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