weak high-frequency CW signal 微弱高频CW信号
high weak rock slope 软岩高边坡
high stress weak rock 高应力软岩
high slope of weak rock 软岩高边坡
weak signal high-accuracy measurement 微弱信号高精度测量
high-frequency weak magnetic anomaly 高频弱磁异常
High-frequency weak signal detection 高频微弱信号检测
They may have a weak or damaged heart, high blood pressure or other problems of the blood system.
VOA: special.2010.07.27
"He is at 50 or below in most surveys, and that is mainly because of the economy, which continues to be stubbornly weak, the unemployment rate is very high and still in double-digits, and as a consequence Obama does not have much margin for error,".
VOA: standard.2010.01.06
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