Frontal and head loss of hair, People seem very old, not the spirit.

发额角、头顶脱发，显得人苍老，很没有精神。

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The backwater and general formula of the local head loss of regulation structures is presented in this paper.

简述整治建筑物的壅水及其机理，归纳出局部水头损失壅水的通用公式。

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The head loss of the left side is always greater than that of the right side, and the head loss curves don't comply with the second order parabolic law.

非设计工况下流道的水力损失恒大于相同流量时设计工况下的水力损失，左侧的水力损失大于右侧的水力损失，且不符合二次抛物线变化规律。

youdao

Types of injuries which would be sent to the Royal Cornwall Hospital include chest pains, strokes, head injury with loss of consciousness, severe abdominal pain and all severely ill children.

BBC: West Cornwall Hospital

"There was just an avalanche of stop-loss selling, " said Steve Murton, head of precious metals at Triland Metals, a brokerage firm in London.

WSJ: Gold's Great Unraveling Had a Few Harbingers

Mohammad Shtayyeh, a member of the central committee of the Palestine Liberation Organization and head of the relief committee for the Palestinians in Syria, condemned the loss of life in Yarmouk.

CNN: Joy for NBC crew freed from kidnappers in Syria