双语例句原声例句
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表1.4对若干有永久偶极的烷基醚和没有永久偶极的烷烃的沸点作了比较。
Table 1.4 compares the boiling points of several alkyl ether that have permanent dipoles with those of hydrocarbons, which have no permanent dipoles.
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禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁。
Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
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电极效应在用偶极-偶极排列时是经常遇到的一种干扰因素。
Electrode effects, which are always a hindrance when the Dipole-Dipole array is used.
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We only have the one bond so the actual HF molecule is polar, it has a net dipole.
但HF中只有一根键,所以分子也是极性的而甲烷中有一个网状偶极。
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