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R is tetramethylene, pentamethylene, or hexamethylene.是什么意思？

R is tetramethylene, pentamethylene, or hexamethylene.

R为四甲撑 、 五甲撑或六甲撑.

相关词汇
is pentamethylene or hexamethylene

is

vt.& vi. 是（be的三单形式；n. 存在；

pentamethylene

--

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

hexamethylene

n. 环己；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.
我们现在在三维应力分析中采用四面体单元和六面体单元.
Objective To study the heterophoria and effect of plus lens on it in juvenile myopes.
目的研究青少年近视眼的隐斜和正透镜对隐斜的影响.
Herod in Jerusalem impatiently awaited the return of the wise men.
希律王在耶路撒冷等候博士们回来,等得不耐烦了.
Hexachlorophene - containing skin cleanser is substituted when allergy to shellfish or iodine is present or suspected.
在怀疑或患者确实存在对碘及贝类动物过敏时,可以改用含有六氯酚的皮肤消毒液.
A method to detect the sub - pixel center of structured light stripe with Hessian matrix is proposed.
提出了一种基于hessian矩阵的亚像素精度结构光条纹中心提取算法.
You'd have to do that if you was a hermit. "
你要是隐士,你也得这么做. ”
Each strand is fabricated of parallel wires bunched in a hexagonal shape.
每根钢束由平行钢丝捆扎成六边形.
Objective To modify the model of heterotopic cardiac transplantation in rat abdomen.
目的建立大鼠腹腔异位心脏移植的动物模型.
Stories of his heroism resounded through the country.
他的英雄故事传遍全国.
The preparation and property of urea - formaldehyde resin mocalified by hetero - alcohol oil were introduced.
介绍了杂醇油改性脲醛树脂的制备过程及其性能测试等.
They battled heroically for seven days and nights.
他们英勇地战斗了7昼夜.
Rate of signal oscillation in hertz.
信号振荡的速率,以赫兹(Hz) 为单位.
His opinions have always been distinctly heterodox.
他的观点时常带有明显的异端色彩.
Heron also translated much of the Greek geometrical algebra into arithmetic and algebraic processes.
Heoom又把不少希腊的几何代数法翻译成算术和代数步骤.