And as he continued to strike and force, coolly estimating the weight of his blows and the quality of the damage wrought, he realized how hard a man Sandel was to knock out.

因此，他一面继续猛攻，一面冷静地估计他的拳头的份量和它们造成的损伤，这才看出桑德尔是一个很难打垮的人。

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Objective to evaluate the effect of automatic biofeedback regulation of blood volume monitor in estimating dry weight of hemodialysis patients.

目的了解生物自动反馈式血容量监测对评估血液透析患者干体质量的作用。

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Assessment of the fetus consists of estimating fetal weight and position. Estimations of fetal size, even those obtained by ultrasonography, are frequently inaccurate.

评价胎儿包括胎儿体重和位置。对胎儿大小的估计，即使是超声学获得的结果经常都不准确。

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