无齿的

In contrast, P. obliquum has lamina with basal pinnae contracted, scales of petiole brown adaxially, scales of rachis up to 2.3×0.5 mm, pinnae green, chartaceous, matt adaxially, and serrulate on margin, and microscales 0.2-0.5×0.1-0.2 mm.

obliquum相似，但吞天井耳蕨的叶片基部最宽，向基部不缩短，叶柄鳞片近轴面深棕色，叶轴鳞片达3.6×0.8mm，羽片深绿色，近革质，向轴面有光泽，边缘具略波状微齿或近全缘，小鳞片达2×0.5mm；而斜羽耳蕨的叶片的基部缩短，叶柄鳞片向轴面棕色，叶轴鳞片达2.3×0.5mm，羽片绿色，草质，向轴面无光泽，边缘有锯齿，小鳞片达0.5-0.8×0.2-0.3mm。

Any of numerous small rodents of the families Muridae and Cricetidae, such as the common house mouse, characteristically having a pointed snout, small, rounded ears, and a long, naked or almost hairless tail.

鼠一种鼠科和仓鼠科家族的小型啮齿类动物，如常见的家鼠，典型特点为尖嘴、小圆耳朵、长而无毛或少毛的尾巴

Mouse Any of numerous small rodents of the families Muridae and Cricetidae, such as the common house mouse, characteristically having a pointed snout, small, rounded ears, and a long, naked or almost hairless tail.

鼠：一种鼠科和仓鼠科家族的小型啮齿类动物，如常见的家鼠，典型特点为尖嘴、小圆耳朵、长而无毛或少毛的尾巴

Any of numerous small rodents of the families Muridae and Cricetidae, such as the common house mouse, characteristically having a pointed snout, small, rounded ears, and a long, naked or almost hairless tail.

家鼠：一种鼠科和仓鼠科家族的小型啮齿类动物，如常见的家鼠，典型特点为尖嘴、小圆耳朵、长而无毛或少毛的尾巴

Any of numerous small rodents of the families Muridae and Cricetidae,such as the common house mouseMus musculus, characteristically having a pointed snout,small,rounded ears,and a long,naked or almost hairless tail.

鼠一种鼠科和仓鼠科家族的小型啮齿类动物，如常见的家鼠，典型特点为尖嘴、小圆耳朵、长而无毛或少毛的尾巴

Perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes

常年生灌木无花草本植物，具有有节的中空茎梗、狭窄的齿状叶片和匍匐的根茎

Perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America.

常年生灌木无花草本植物，具有有节的中空茎梗、狭窄的齿状叶片和匍匐的根茎；趋于丛生；常见于北半球；有些也分布在非洲和南美洲。

Flowers white, creamy-white, or purplish, large, 2-2.5 cm in diam., fragrant; pedicels usually purplish, nitid, subequaling or exceeding leaves at anthesis, glabrous, 2-bracteolate above middle; bracteoles linear or linear-lanceolate, margin very remotely and minutely denticulate.

花白色，乳白色，或者略带紫色，大，直径的2-2.5厘米，芳香；花梗通常略带紫色，有光泽的，近相等或者超过叶在花期，无毛，中部以上有2个小苞片；小苞片线或者线状披针形，边缘很稀疏和细的具小齿。

The small-scale prototype of the planetary ringy gear non-beam overground unit of the pumping system in the field is carried out based on the scheme design, and the numeric analysis and the experimentation research on the kinetic character of the small-scale prototype are presented.

在行星齿环式无游梁抽油机方案设计的基础上，研制出该抽油机的小型样机，并对样机的运动性能进行了数值分析和试验研究。

Male flowers 4-merous, sessile; perianth lobes elliptic, ca. 1 mm, strigillose, connate at base. Fruiting perianth rhomboid-obovoid, compressed, ca. 1.2 mm, smooth, strigillose on shoulder, base cuneate or stipitate, apex with short neck, 2-toothed.

雄花4瓣，无梗；花被裂片椭圆形，约1毫米，疏生微具短糙伏毛，在基部合生；雌花花被斜方形倒卵球形，压扁的，约1.2毫米的，平滑，具短糙伏毛在肩，基部楔形或具柄的，先端具短颈，2齿上。

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