轮形的

The discovery that bdelloids can desiccate and wisp away with the wind helps resolve the mystery of their ancient asexuality and success.

蛭形轮虫可以变干而随便飘走这一发现揭示了他们古老的无性生殖方式为什么会成功的秘密。

Application indicates that straining wire rope and wheel track circular measure has the important utility in dealing with the box double-bridge crane running failure.

拉钢丝绳法和圆弧轮、轨法在处理箱形双梁桥式起重机运行缺陷的应用中表明，其在工程实际中具有很好的实用价值。

Basal synthem is the Taishan mountain group in archaean, is mainly the gneiss; The paleozoic synthem besides the regional lost stratas: Upper Ordovician, Silurian-Devonian and Lower Carboniferous, other stratas have the distribution, divides into Cambro-ordovician and Permo-Carboniferous two structure subgroups. Cambro-ordovician is a set of carbonate construction, Permo-Carboniferous system is a set contains the coal clastic rock deposition; In the mesozoic synthem lost Upper Triassic and Upper Crataceous ,growth Middle-Lower Triassic and Middle-Lower Jurassic and Lower Crataceous three structure subgroups, main growth varicolored land facies clastic rock, discovered rich fossil data such as cryptogam ,Ostracoda and Chareae and so on.

基底构造层指太古界泰山群，主要为片麻岩；古生界构造层除区域性缺失的上奥陶统、志留-泥盆系和下石炭统外，其余地层均有分布，分为冷武-奥陶系和石炭-二叠系两个构造亚层，冷武-奥陶系为一套碳酸盐建造，石炭-二叠系为一套含煤碎屑岩沉积；中生界构造层缺失上三叠统和上白垩统，发育下-中三叠统、下-中侏罗统和上侏罗-下白垩统三个构造亚层，为杂色陆相碎屑岩，发现丰富的孢粉、介形类、轮藻等化石；新生界古近系岩性以砂泥岩互层为主，含薄层油页岩，新近系-第四系为一套河流相沉积。

The line,at which the tooth intersects the graduated cylinder,is an arc in the developed surface of the cylinder.The tooth profile in the middle section of tooth width is an involute.

它的特点是：轮齿与其分度圆柱面的交线在分度圆柱面所展开的矩形中为圆弧；而且在齿宽中央截面内为渐开线齿形。

Cymes few flowered, axillary, in widely spaced verticillasters or in terminal racemose panicles; corolla tube conspicuously pouched or spurred on upper side near base; fruiting calyx conspicuously 2-lipped.

聚伞花序少数开花，腋生，在稀疏排列轮状聚伞花序里或者在末端葡萄状的圆锥花序里；激励上面边近基部，花冠筒显著把或放入袋中；显著的果期花萼二唇形。

To find out why, scientists infected rotifers with a deadly fungus.

为了找到原因，科学家使蛭形轮虫感染了一种致命的真菌。

So for celibate rotifers that want to stay clean, a good long dry spell is just what the doctor ordered.

蛭形轮虫要是想保持清洁，不感染真菌的话，就多听专家的话，保持一段较长时间的干燥状态吧。

Asexual animals like rotifers reproduce by cloning and this makes for a fixed gene pool.

无性生殖动物像蛭形轮虫一样通过复制繁衍，这会导致他们有一个固定的基因库。

The pattern wheel select mechanism is restricted by many factors in the design of patterns,especially in the hexagonal patterns.

提花轮选针机构在设计花形时受到诸多因素的限制，尤其是六边形花纹。

Aromatase protein and its mRNA were abundant in the forebrain, midbrain, spinal cord, wheel organ and Hatschek's pit, but not abundant in the hindbrain or early ovary and testis. No aromatase expression was detected in both irregularshaped cells and ciliated mucous cells in the Hatschek's pit or in the mature ovary and testis. Aromatase immunoreactive material was distributed in the cytoplasm with negative nuclei.

芳香化酶蛋白和转录物在前脑、中脑、脊髓、轮器和哈氏窝十分丰富，而后脑、早期卵巢和精巢不够丰富；没有芳香化酶表达的部位是哈氏窝另两种细胞(不规则形细胞和带纤毛粘液细胞)以及成熟卵巢和精巢；芳香化酶免疫活性物质分布在胞质，核为阴性。

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