不易的

Porous macromolecular polyethylene characterized by light and porous fits the tissue ingrowth, but it is instability and dearticulation.

钛质人工听骨生物相容性和组织亲合性佳、耐久性好、重量轻、可塑性强、不易脱位，是一种有推广前景的听骨修复材料。

For dioctahedral micas, interlayer potassium is not easily released because of the structures being stable, and very few researches can be found corresponding to potassium release after activation.

二八面体型云母结构稳定，层间钾不易释出，活化释钾的难度也较大，而且这方面的研究也不多。

These vegetations appear in about 4% of SLE patients and rarely cause problems because they are not large and rarely embolize.

系统性红斑狼疮病人仅有4%出现，并且赘生物小不易脱落，因此对机体的影响较小。

Because poor visualization of the gallbladder in abdominal sonogram, emphysematous cholecystitis is very difficult to diagnose in most of cases.

因胆囊内气体的存在，导致胆囊辨识不易，使气肿性胆囊炎较难由超音波来诊断。

Results showed that there were no detectable concentrations in healthy cows, while the maximum concentration in cows affected by endometritis was relatively low.

结果表明：土霉素在健康奶牛子宫内不易被吸收入血，而在患病奶牛血浆中的最高血药浓度较低。

That fat boy tried to get through from the warehouse window but he was too fatly that it is too hard.

那个胖男孩孩想从仓库的窗户里爬过去，不过他太胖了身子不易通过。

After one month farming of conchosporelings of "Shenfu No.1" in the sea, the average length of gametophytic blade was over twice as much as the traditiona...

申福1号苗种下海养殖1个月，其藻体平均长度是传统品种的2倍多，表现出生长快，生长期长，不易成熟，色泽好等优点，增产增值效果很显著。

Blogger could make money by comment on some products or services.and advertising message can deliver to target consumer through blog.the topic ad has six characters:apread fast trustful infusive cost less prepossessing interactive.

而广告信息通过博客平台可以精准有效的传播给目标受众。话题广告具有传播快、信任感强、影响力大、费用少、不易引起反感、互动性强六大特征。

High-order interpolative sigma-delta modulators suffer stability problems for large input signals.

高阶插值结构的sigma-delta调制器在较大输入信号作用下不易稳定。

In vegetation cluster survey, Leersia hexandra Sw. are found hard to survive over 20cm of water in depth which indicated that water level is critical influence in growth and decline of aquatic plants. Different allocation in water depth and partition measures is useful in aquatic plant management.

植群调查中，李氏禾较不易生长於水深超过20公分的区位，水池之水位深度对水生植物之生长与种间消长，占有重要之影响力，规划时可利用不同水深配置搭配堆置物隔离措作为水生植物管理之用。

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