“distance”的概念、定义、翻译、参考文献-科学参考

单词	distance
释义	distance [`dis·tǝns] ^MATHEMATICS 1. A nonnegative number associated with pairs of geometric objects. 2. The spatial separation of two points, measured by the length of a hypothetical line joining them. 3. For two parallel lines, two skew lines, or two parallel planes, the length of a line joining the two objects and perpendicular to both. 4. For a point and a line or plane, the length of the perpendicular from the point to the line or plane. ^MECHANICS The spatial separation of two points, measured by the length of a hypothetical line joining them.
随便看	ionization constant ionization counter ionization cross section ionization current ionization degree ionization density ionization energy ionization front ionization front accelerator ionization gage ionization isomer ionization potential ionization radiation ionization source ionization spectrometer ionization temperature ionization time ionization vacuum gage ionized atom ionized gas ionized layers ionizing event ionizing radiation ion kinetic energy spectrometry ion laser

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