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商鞅铜方升
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中国古代度量衡史
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Shang Yang Bronze Square Sheng
商鞅铜方升
中国战国时期秦国标准量器。是由商鞅(时任秦国大良造,相当于相国兼将军)督造、秦孝公十八年(公元前344年)颁发的量标准器。
历史学
中国古代度量衡器
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Shang Yang Bronze Square Sheng
商鞅铜方升
中国战国时期秦国标准量器。
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vacuum rapidly quenched Ti- based brazing alloy
vacuum regulating valve
vacuum resistance furnace
vacuum sensor
vacuum sintering
vacuum solar telescope
vacuum solar tower
vacuum sparking
vacuum spectral region
vacuum spectrograph
vacuum spontaneous breaking
vacuum stability
vacuum state
vacuum suction disc
vacuum surface insulation
vacuum susceptibility
vacuum switch device
vacuum system
vacuum technique
vacuum technology
vacuum telescope
vacuum tightness
vacuum tower
vacuum tower telescope
vacuum tube
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