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单词
reference frame
释义
reference frame
[`ref·rǝns ´frām]
See
<<frame of reference>>
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hard freeze
hard frost
hard glass
hard goods
hard grease
hard ground
Hardgrove grindability index
Hardgrove number
hard hat
hardhead
Hardinge feeder-weigher
Hardinge mill
Hardinge thickener
hard iron
hard lac
hard-lac resin
hard-laid
hard landing
hard lead
hard-limiting
hard magnetic material
hardness
hardness number
hardness test
hard pad
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