分子: numerator molecule序數: ordinal; ordinal number低分子量,低分子序数: low molecular number分子内原子序数和: molecular number【化学】原子序数。: atomic number低原子序数: low atomic number; low-atomic number奇原子序数: odd charge number; odd-charge number原子序数: at no; atomic charge; atomic number; number, atomic; ordination number; proton number; z-number原子序数和: molecular number分子序: molecular number高原子序数靶: high z target偶数原子序数: even atomic number奇数原子序数: odd atomic number有效原子序数: effective atomic number原子序数衬度: atomic number contrast原子序数修正: atomic number correction大分子序态: macromolecular order分子序态: molecular order低原子序数元素: low-z element高原子序数玻璃: high z glass高原子序数金属: metal of high atomic number高原子序数物质: high z material; high z number material高原子序数元素: high-z element有效原子序数法则: effective atomic number rule元素的原子序数: atom of elements