色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

isometry

英 [a?'s?m?tr?] 美[a?'sɑm?tri]
  • n. 等距；等容；等高

英文詞源

isometry (n.)
1941, from Greek isometria "equality of measure," from iso- (see iso-) + metria "a measuring" (see -metry).

雙語(yǔ)例句

1. Every contraction can be extended to a partial isometry.
每一壓縮算子能被擴(kuò)張成一個(gè)部分等距算子.

來(lái)自互聯(lián)網(wǎng)

2. Let T be a stable isometry of the Abelian Lattie - Ordered group G.
設(shè)T是交換格序群G的穩(wěn)定等距.

來(lái)自互聯(lián)網(wǎng)