• 2022-07-23 问题

    随着晶核生长,所有的晶界区域会( )。 A: increase B: decrease C: unchange D: hard to say

    随着晶核生长,所有的晶界区域会( )。 A: increase B: decrease C: unchange D: hard to say

  • 2021-04-14 问题

    注入造影剂后,血液对X射线的衰减能力The ability of blood to attenuate X-rays after injection of contrast agent? 视造影剂的浓度而定Depending on the concentration of the contrast agent|减少decrease|增加Increase|不变unchange

    注入造影剂后,血液对X射线的衰减能力The ability of blood to attenuate X-rays after injection of contrast agent? 视造影剂的浓度而定Depending on the concentration of the contrast agent|减少decrease|增加Increase|不变unchange

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