多向性

While Andalusite's color play has been compared to Alexandrite, this is technically incorrect as pleochroic (displaying different colors in different directions) gemstones like Andalusite feature all their colors at once, whereas Alexandrite only changes color in different light sources.

把红柱石的颜色变幻与亚历山大石相比，从专业角度来讲，这种比较并非科学，因为如红柱石一类的多向色性（不同方向呈现不同的颜色）宝石会在瞬间显现出她所有的颜色，而亚历山大石是靠不同的光源进行着颜色的变化。

Before experiment, all samples had the test on Multiple Dimension Aptitude Test Battery, and the test on basic professional ability. The aim of these correlated pretests was to realize the individual differences of the students' basic abilities and aptitude.

实验教学前先对全体样本进行多向度性向测验组合、专业基础能力测验，其目的是在了解实施实验教学前，学生在基本能力及个人性向因素的差异。

Pancreatoblastoma is a rare pancreatic carcinoma in which. The presence of squamous corpuscles is a characteristic feature.

胰母细胞瘤是一种罕见的胰腺恶性肿瘤，鳞状小体为其特征性的组织学改变，具有多向分化的特征，其可能起源于原始多潜能细胞。

After transplanted in nude mouse for 8 weeks, DAC-MSCs can regenerate cementum-like structures and dentin-like structures. At the same time, we used limiting dilution assay to screen monoclonal cells from DAC-MSCs and discovered two kinds of phenotype cells: one is osteogenesis type, and the other is fibro singtype.

结果显示：牙根发育期根尖复合体来源间充质干细胞为异质性；具有显著的&胚胎性&组织特征：表现出极高的增殖活性、克隆形成能力和体外多向分化能力；在体内可以异位形成类牙骨质和类牙本质样矿化结构。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐