grate 雅思GRE专八

The nails in his boots grated on the stones.

他靴子上钉子在石头上发出嘎嘎。

The grit beneath her soles grated harshly on the wooden deck.

粘在她鞋底沙砾蹭在木甲板上发出刺耳。

The fire in the grate looked impish-demoniacally funny, as if it did not care in the least about her strait.

壁炉里残火，张怒目，鬼头鬼脑，仿对于她窘迫，丝毫都不关心。

Frequency-resolved measurement of the emission from a Eaman free electron laser under superradiation condition by a microwave grating spectrometer are presented.

本文报道了利用微波栅摄谱仪测量在超辐射工作条件下喇曼自由电子激光器辐射谱初步结果。

For grating in the optical pick-up head, the compensability between the longitudinal and transverse error practical references on the manufacture of grating.

对光学头分束光栅，其纵向加工误差与横向加工误差间存在互补性，对光栅具体制作有着实际参考价值。

A new dynamic model is developed for simulating the widely tunable grating assisted codirectional coupler with rear sampled grating reflector (GCSR) lasers.

提出了一个新分析模型，用于宽带可调谐GCSR激光器动态特性模拟。

Well equipped, these instruments feature: multiple entrance and exit ports, high precision wavelength drives, extended range operation, Echelle, and oversize grating mounting capabilities.

这些精良装备特点是：多重进出口，高精度波长驱动，可拓展操作范围，阶梯光栅，大光栅挂载能力。