查询词典 doubly serrate

Petiole 1.5-2 cm, glabrescent or sparsely villous to densely pubescent or tomentose; leaf blade ovate, ovate-oblong, or obovate-oblong, 8-15 × 4-5 cm, abaxially sparsely to densely villous along midvein and lateral veins or densely pubescent and tomentose, adaxially sparsely villous or glabrescent, base unequally cordate, margin irregularly and doubly setiform serrate, apex acuminate or caudate-acuminate; lateral veins 15-20 on each side of midvein.

叶柄1.5-2厘米，后脱落或去密被短柔毛的疏生长柔毛或者；叶片卵形，卵状长圆形，或倒卵形长圆形， 8-15 * 4-5 厘米，背面稀疏到或者密被短柔毛和被绒毛密被长柔毛沿中脉和侧脉，侧脉15-20在中脉两边各。

Leaves irregularly and doubly mucronate serrate at margin; middle lobe of bracts oblong or falcate-oblong, apex obtuse or acute

不规则的叶和加倍短尖的有锯齿在边缘；苞片长圆形或镰刀形长圆形的中部裂片，先端钝或锐尖 5a var。

Leaf blade serrate or doubly so, glabrous, margin ciliate; sepals abaxially long glandular hairy, veins not confluent at apex, margin denticulate-ciliate; petals subspatulate

加倍如此的叶片有锯齿或，无毛，边缘具缘毛；萼片背面的长腺毛，脉并非汇合的在先端，纤毛边缘具小齿；花瓣近匙形 7 B。 stracheyi 短柄岩白菜

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