Any piece of silver bearing his mark is extremely valuable.
带有他的印记的每一件银器都极有价值。
Only specially-designed solar filters bearing the appropriate "CE mark" can be used to safely view the eclipse directly.
只有通过一种特别设计带有“ cE ”标志的太阳滤镜才可以直接看日食。
Because the loading distribution of each bearing are decided by the height mark, which will affect the stability of the bearing.
因为标高决定了各轴承的载荷分布,从而直接影响转子轴承油膜的稳定性。
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