对称的

For fixed generalized reflection matrix P, i.e., P^T=P, P^2=I, then matrix X is said to be generalized bisymmetric, if $X=PXP$ and $X=X^T$.

对于某个广义反射阵P，满足P^T=P， P^2=I，那么称矩阵X是广义双对称的，如果满足X=PXP及X=X^T。

C12A7 is basis phase, and C3A phase is central symmertrical 3-D structure with clavated antenna extending in different directions.

其中：C12A7为基底相，C3A呈中心对称的条索状三维结构，易于机械单体解离，便于选矿分离利用。

Dimethyl dicarboxylate biphenyl and β-dimethyl dicarboxylate biphenyl have anti-hepatitis activity. The modification to them gave twelve asymmetry biphenyl compounds.

对保肝药物联苯双酯进行了修饰改造，得到12种不对称的联苯化合物，期望能够改变其药效及溶解性。

Machi likes how Yuki's hair isn't perfectly symmetrical.Yuki, on the other hand, has never noticed.

真知喜欢由希有些不对称的头发，另一方面，由希从来没有注意过这一点。

The new oxalamide bridging ligands N, N'-bis (4-hydroxy-3-methoxy-benzyl) oxalamide (H4LB) was designed and synthesized.

设计合成一种新型对称的草酰胺桥联配体：N，N'-二（4-羟基－3-甲氧基苯甲基）草酰胺配体(H4LB)。

Leaves alternate, often opposite or whorled in Peperomia , simple, base often asymmetric, palmately or pinnately veined.

叶互生，通常对生或轮生在Peperomia内，单，不对称的基部通常，掌状或成羽状脉。

Leaves alternate, pinnately veined, with strongly parallel secondary veins, base often asymmetrical, margin entire.

叶互生，成羽状脉，具强烈平行次脉，不对称的基部通常，边缘全缘。

The general radially non-symmetric case is studied.

主要针对径向不对称的情况。

Objective To probe the method correcting asymmetry of the submammary fold.

目的：探讨乳房下皱襞不对称的矫治方法。

The bisubistituted straight-chain and tetrasubstituted ester molecules have symmetrical structures.

二元直链和四元硝酸酯具有对称的分子构型。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失