查询词典 quinoid form

The ability of carbon to form stable compounds in such astonishing numbers arises in that it utilizes its four valence electrons completely in the establishment of four covalence,its valence shell becomes saturated.

碳原子能够利用其全部四个价电子构成共价键，并形成稳定的饱和价电子层。这就导致碳元素能构成各类数目惊人的稳定化合物。注意本句使用的是"逆序"的翻译方法。

Match place covalent bond concept and form condition.

配位共价键的概念与形成条件。

Form three bonds by sharing and a fourth using the lone pair in a dative covalent bond.

在配位共价键中形成了3 个共用的键和第4 个孤对电子的键。

We show the different properties between covariance risk allocation function and relative risk allocation function and prove that the commonly used risk budgeting model is a special form of risk allocation function.

我们证明并比较了在标准差风险度量下，协方差风险分配函数与相对风险分配函数性质上的差异，并证明风险预算也是一种特殊形式的风险分配函数。

The paper studies the form of the result of SVM with covariance function as the kernel function under some conditions, and draws the conclusion that Kriging is equivalent to SVM under those conditions. Based on the conclusion, we put forward the idea of using the covariance function as a substitute for the RBF kernel function of SVM.

摘要研究了支持向量机(support vector machine，SVM)方法在一定假设条件下，核函数取为样本协方差函数时解的具体形式，得出了在该假设情况下SVM方法等价于克立格方法的结论，提出了用协方差函数作为SVM核函数的思想。

A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission .

采用一个具有协变形式的朗之万方程组来描述不对称热核裂变。

Effects of no- till in the different cover on conditions on crop yield in different cover on conditions were studied in dry land in the middle of the Loess Plateau, DingXi. Results showed that under the no-till form, Pea general increase output, agricultural input costs have decreased significantly , the average saves 810 Yuan / hm2; Under the different cover condition, the net income separately increases 1175.45, 1682.70, 968.25 Yuan / hm2, the economic efficiency is obvious.

本文通过在定西旱地农业地区实施保护性耕作，对免耕在不同覆盖条件下的豌豆产量进行了试验研究，结果表明：在免耕措施下，豌豆产量普遍增加，农业成本投入得到明显降低，平均节约810元/hm2；在不覆盖、秸秆覆盖和地膜覆盖的条件下，纯收入分别增加1175.45、1682.70、968.25元/ hm2。

The violence, no matter what form, is a cover-up for fear.

暴力，无论以何种形式表现，都是恐惧的外衣。

Percent of us have some form of insurance coverage.

85%的人都享受某种保险。

The works all adopted the form of negative space and covering water to show the final result. I want to use the way to strengthen the connotation and implied meaning of the love .and the way also reflect the harmonious relationship between man and nature, give expression_r to some mood of traditional Chinese landscape painting.

作品的制作运用了负空间的形式并以清水掩住表面之形来展示作品的最终状态，意在使作品的内涵和寓意得以强化，体现一种中国式的山水意境，同时也体现出人与自然的和谐关系。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！