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大理岩
释义
大理岩
Encyclopedia
理学
[变质岩的命名]
释
marble
大理岩
主要由方解石、白云石等碳酸盐类矿物组成的变质岩。因在中国的云南省大理县盛产这种岩石而得名,一般常称大理石。商业上和工艺技术上往往把磨光后能够作装饰用的富钙的岩石(如结晶灰岩、白云岩)和某些蛇纹岩等也称为大理石,但在地质学上大理岩则限于碳酸盐类变质岩。
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prealloy
pre-alloyed powders
prealloying
preamble
preamble to the constitution
preamp
pre-amplification
preamplification
pre-amplifier
preamplifier
preanalysis
pre-anesthesia assessment clinic
pre-anesthesia evaluation
pre-anesthesia interview
pre-anesthesia(preoperatuve)fasting
preanodize
preantenna
preantennal ganglion
Pre-approval of the use of manning quotas
preassemble
preassembly
pre-assembly modularization design of concentrators
preassigned
preatomick
preattentive processing
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