commutative什么意思解释

The central notion in commutative algebra is that of a prime ideal.交换代数中最核心的概念就是素理想.It'should be clear that vector addition is commutative.可清楚地看0剑0矢量加法满足对易律.The groups of the solvable equations are commutative.可解方程的...

commutative的音标：commutative的英式发音音标为：[kə'mju:tətɪv]commutative的美式发音音标为：['kɑmjəˌtetɪv, kə'mjutətɪv]...

“暮年”的英语可以翻译为：declining years，old age，evening of one's life ...

hardy的比较级为：hardier...

limitlessly的音标：limitlessly的英式发音音标为：['lɪmɪtləslɪ]limitlessly的美式发音音标为：['lɪmɪtləslɪ]...

The ship was rolling and pitching heavily in the rough sea.船舶在狂涛中簸荡.The ship is pitching and rolling in what looks like about fifteen foot seas.这只船在看起来约有15英尺高的海浪中上下左右颠簸。He was pitching the ball.他正在投球.They don't want...

stocktaking的音标：stocktaking的英式发音音标为：['stɒkteɪkɪŋ]stocktaking的美式发音音标为：['stɑkteɪkɪŋ]...

“冻硬”的英语可以翻译为：adfreezing ...

Maybe, if studies on a chemical compound pan out.有可能, 如果某种化学合成物能研究成功的话.A vitamin is a chemical compound that cannot be synthesized by the human body.维生素是一种人体无法合成的化合物。The iron in the chemical compound must be purged.化学混合物...

后来我学会了怎么识乐谱。Later on I learned how to read music.我把乐谱落在家里了.I'd left my music at home.他把乐谱放回到乐谱架上.He restored the music to the music stand....

restorative的复数形式为：restoratives...

n.油类比重计...

含糖的品种最多, 虽然有些是由其他甜味剂.Most varieties contain sugar, although some are made with other sweeteners.需要帮忙 吗 ?是的, 请拿一瓶不含糖的雪利酒.Can I help you? Yes, I'd like a dry sherry.如果你开始渴望一些甜食或者是含糖的东西的话, 可以尝试咀嚼一块口香糖.If you start to c...

n.一种浅顶软呢帽( fedora的名词复数 )...

他否认曾口出对女性不敬的污言秽语。He denies making off-color remarks about women.他相信他的记录会说明一切，并不理会那些对他不敬的人。He believes that his records speak for themselves and ignores those who diss him.那位诙谐作家满嘴双关语, 逗乐话, 以不敬的态度把他的作品填满报章和比较显赫的杂志.Punning...

birdman的音标：birdman的英式发音音标为：['bɜ:dmən]birdman的美式发音音标为：['bɜdmən]...

Papain and chymopapain can coagulate soybean protein isolate ( SPI ) , both of them are cysteine proteinases.木瓜凝乳酶和木瓜蛋白酶具有促进大豆蛋白形成凝乳的作用, 同时它们也是巯基蛋白酶.Metallothionein ( MT ) is group of conjugated proteins which are rich i...