无齿的

Checking bivalves by microscope, the respiratory system was hurt, especially on lamina.

通过显微镜观察，漂白粉和氯杀宁的主要作用部位为背角无齿蚌的呼吸系统，在其鳃上可见明显病变。

Leaf blade glabrous, margin densely crenate, elliptic or broadly elliptic, lateral veins 3 or 4 pairs.

无毛的叶片，具圆齿的边缘密，椭圆形或宽椭圆形，侧脉3或4 对。 33 R。 cathartica 药鼠李

Leaves glabrous, margin entire or sparsely and shallowly crenate.

无毛的叶，和浅具圆齿的边缘全缘或疏生。

Leaves not canescent, glabrous or sparsely pubescent, margin of lower leaves not deeply crenate; seeds 1.5-2 mm, 2(-4) per fruit

不被灰白毛的叶，无毛或疏生短柔毛，下部叶而不是具深圆齿的边缘；种子1.5-2毫米，每果2(-4) 2 Y。

However, at least one type of pterosaur ''did'' have at least the ''Pteranodon''-like crest and teeth--the ''

然而，有一种翼龙类的确有无齿翼龙的冠饰，而且有牙齿；'' Ludodactylus''，名字意思为"玩具翼手龙"，因为它外表类似儿童的翼手龙玩具外貌。

Many childrens toys and cartoons feature "pterodactyls" with '' Pteranodon ''-like crests and long,''

许多儿童的玩具与卡通节目将翼手龙（'' Pterodactyl ''）描绘成有类似无齿翼龙的冠饰，加上类似

Small toothless saurischian dinosaurs; upper Cretaceous of Canada.

发现于加拿大上白垩纪的小的无齿蜥臀目恐龙。

Cauline leaves sessile, often auriculate, sagittate, or amplexicaul at base, entire or rarely dentate.

无柄的茎生叶，通常耳形，箭头形，或者抱茎在基部，有齿的整个或很少。

Although the range of all metals studied in water samples did not exceed the National Water Quality Standard for Fisheries (GB 11607－89), relatively obvious contamination of Pb, and in particular Zn and As were found by the range in the samples of sediments and Anodonta woodiana.

虽然水样中各重金属均未超过国家渔业水质标准（GB1160789），但底泥和背角无齿蚌的结果显示出Pb，特别是Zn、As的污染比较明显。

It measured 25 feet from the tip of one wing to the tip of the other wing.

无齿翼龙身长有 6英尺，翅膀全张开的宽度有25英尺。

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