B. External fetal monitoring. The FHR is measured by focusing an ultrasound beam on the fetal heart. The fetal monitor interprets Doppler signals.

外监护。通过集中超声波束于胎儿心脏来描记胎心率，胎儿监护翻译多普勒信号。

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In a leader, installed in the upper crossbeam gabion stone kg, plus kg load under the action of external load, while the central beam bending deformation, but the wire cage has not broken beam.

在一组长，内装公斤块石的铅丝笼横梁上部，加上公斤的荷重，在外荷作用下，梁的中部虽然发生弯曲变形，但铅丝笼梁却始终未断裂破坏。

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We study the decay rate of solutions of beam equations with damping and external force.

研究含外力和阻尼项一类梁的横振动方程解的率减率。

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External beam radiation involves zapping a patient with high-dose X rays generated by a machine called a linear accelerator.

FORBES: Men, Cancer & Hope

Or you can pick your poison, choosing between surgery to remove the prostate and one of two forms of radiation, external beam radiation and radioactive "seeds" implanted in the gland itself.

FORBES: Men, Cancer, & Hope