Under the perfect condition, supposes fire as line fire, applying discrete regularization method into the inversion of coal mine concealed fi.

在理想状态下，假定火源为线火源，采用离散正则化方法对矿井隐蔽线火源进行反演。

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Until he appeared in "In the Line of Fire" Malkovich had been an action-movie virgin.

在出演《火线》之前，马尔科维奇还是一个动作片的生手。

《柯林斯英汉双解大词典》

Executives could be in the line of fire too, since they assured shareholders that the bank was fine just before it almost went belly-up.

执行官们可能也会被推到火线上，因为他们在银行垮掉前还告诉股东们一切状况良好。

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With hand tools, he and Rufus Robinson threw dirt on the fire and dug a line to contain it so the flames would not spread.

VOA: special.2009.11.24

Tam Macfarlane, who represents the union in Somerset, said the plans would see 16 operational firefighters made redundant at front-line fire stations.

BBC: Devon and Somerset firefighters threaten legal action

Increasingly, she is in the line of fire in an undeclared, unacknowledged running battle.

ECONOMIST: Domestic labour

Juan wedged the Humvee right into the line of fire, using the vehicle as a shield.

WHITEHOUSE: The White House