| 正面 | 5079.variance 英 ['veərɪəns]美 ['vɛrɪəns]     |
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| 背面 |     释义： pal [pæl] 伙伴——伴儿2. pay + pal: paypal.comn. 变异；变化；不一致；分歧；[数] 方差 例句： 1. Many of his statements were at variance with the facts.他的说法有很多和事实不符。 variance (n.)late 14c., "fact of undergoing change," from Old French variance "change, alteration; doubt, hesitation" and directly from Latin variantia, from stem of variare "to change" (see vary). Meaning "state of disagreement" is recorded from early 15c. The U.S. zoning sense of "official dispensation from a building regulation" is recorded from 1925." |