These bats can distinguish between the two, and not just with trees, but with any echo that comes in a smooth or rough shape.
这些蝙蝠能够区分这两种声音，不仅仅是通过树木的回声，而是通过任何平滑或粗糙的回声。
It is applied for multiple plane grates and super wide plane grate, thus it is generally used for intermediate or rough grates.
适用于多台平面格栅或超宽平面格栅，一般作为中、粗格栅使用。
Turning tools. Turning tools can be either finishing or rough turning tools. Rough turning tools have small nose radii and are employed when deep cuts are made.
车削刀具可以是精车刀具或粗车刀具。粗车刀具刀尖半径较小，用 于深切削。
Open it and go straight ahead: always straight ahead, over level or steep, over smooth or rough, over dry or wet.
始终笔直往前走去，经过平坦的或是陡峭的地方，经过干燥或潮湿的地方。
Designed for the skin with oil, acne or rough pores, it can remove the surplus oil in the pores, shrink the pores, and prevent the regeneration of acne and comedo.
主要针对于油性、痤疮类或毛孔粗大肌肤，清除毛孔内多余油脂收缩毛孔，抑制痤疮、粉刺再生。
With these results, comparison or rough estimation can be made for the coking tendencies in the thermal reaction systems of vacuum residua with different compositions and structures.
据此，可以比较或估量不同组成和结构的渣油热反应体系的生焦倾向的大小。
With these results, comparison or rough estimation can be made for the coking tendencies in the thermal reaction systems of vacuum residua with different compositions and structures.
据此，可以比较或估量不同组成和结构的渣油热反应体系的生焦倾向的大小。
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