有环的

GO is a set of dynamic controlled vocabulary, its structure is DAG.

基因本体是一套具有动态形式的控制词汇，其结构为有向无环图。

For the feature that Bayesian network is required to be a DAG, this algorithm can also be used in network structure learning.

此外针对贝叶斯网为有向无环图这一特点，此算法还可以应用于网络结构学习的过程中。

The molecules were conjugated and there was an extended π electron delocalization over the system..

测试结果表明，它们都有近平面的超大共轭体系，吡喃环呈醌式结构。

An existence theorem concerning denumerable 1-homoclinic orbits and countable families of 1-periodic orbits was given under a generic condition; and an intuitionistic de script ion about those orbits was also given.

证明在通有条件下，该异宿环附近存在可数无穷多条1-同宿轨，和可数无穷多个1-周期轨的单参数族，同时对这些周期轨和同宿轨作了直观描述。

It has two configuration formats of single ratio and double ratios and two Installation modes of plastic waistband and stainless steel waistband, and it is applicable to all the 35 mm2-400mm2 and 10kV cables.

安装时将两个半圆环卡在分相电缆上，用抱箍抱紧，与电缆於一体，和谐美观，35mm2-400mm2的10kV和35kV电缆均能适用，其抱箍有塑料抱箍和不锈钢抱箍两种。

The base support structure is in the form of an endless loop, at least one of the inner and outer surfaces of which is coated with a second polymeric resin material.

基本支承结构的形式为一无端环，其内、外表面中至少有一个表面被第二聚合树脂材料覆盖。

The results indicate that SPE has high activity and good selectivity of EG in hydration reaction of EO .

结果表明，磺化石油焦活性炭对环氧乙烷水合反应有很高的活性和乙二醇选择性。

In type Ⅲ, the perispore is thin and the surface ornamentation is formed by the exospore.

孢子钝三角形，三裂缝，沿裂缝两侧各有一脊状隆起或瘤状纹饰；周壁薄，由外壁形成表面纹饰的基本轮廓；具赤道环、近极脊和远极脊。

Results Symptoms such as cough, sputum expectoration and exertional dyspnea alleviated significantly during the first 2 weeks.

大环内酯类抗生素对DPB有十分明显的治疗作用，长期服用耐受性好，其作用机制及最佳药物、剂量、疗程等尚待进一步阐明。

I had a bit of leftover epoxy mixed with fairing additive.

我有一个位元剩余的环氧混合与整流罩添加剂。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。