“knot”的概念、定义、翻译、参考文献-科学参考

单词	knot
释义	knot [nät] ^{COMPUTER SCIENCE} See <<deadlock>> ^MATERIALS A scar on lumber marking a place where a branch grew out of the tree truck. ^MATHEMATICS In the general case, a knot consists of an embedding of an n-dimensional sphere in an (n+2)-dimensional sphere; classically, it is an interlaced closed curve, homeomorphic to a circle. ^{ORGANIC CHEMISTRY} A chiral structure in which rings containing 50 or more members have a knotlike configuration. ^PHYSICS A speed unit of 1 nautical mile (1.852 kilometers) per hour, equal to approximately 0.51444 meters per second.
随便看	burr mill burro burrow bursa bursa of Fabricius Burseraceae bursicle bursitis burst burst amplifier burst center burst disk Burstein effect burster bursting charge bursting layer bursting strength burst mode burst pedestal burst pressure burst range burst separator burst slug detector burst transmission burst wave

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