齿形

Cauline leaves often denticulate, sparsely ciliate; mature fruit terete or slightly 4-angled, abruptly constricted to beaklike apex 0.5-1.5 mm; fruiting pedicels (4-)6-10(-12) mm, slightly shorter or slightly longer than fruit

经常的茎生叶具小齿，疏生缘毛；圆柱状的成熟果或稍四棱形，对喙状先端突然缢缩毫米；果梗(4-)6-10(-12)毫米，稍短或稍长于果 2 G。 pendula 垂果四棱荠

Leaf blade membranous, elliptic to ovate, margin serrate, teeth not callose; inflorescences 7-10 cm, racemose

叶片膜质，椭圆形到卵形，边缘有锯齿，齿而不是callose；花序7-10厘米，总状 27 Maesa tenera 软弱杜茎山

Calyx adherent to ovary, truncate or 4- or 5(or 6)-denticulate, accrescent.

花萼附着的于子房，截形或4或5(或6)具小齿，增大。

Leaf blade crenate; obtuse or auriculate at base.

叶片具圆齿；钝的或耳形在基部。

Margin of leaf blade crenate; petals triangular or triangular-ovate, apex obtuse, rarely acute.

叶片的边缘具圆齿；花瓣三角形的或三角状卵形，先端钝，很少锐尖。

Leaf blade ovate, margin serrate or deeply crenate, base not decurrent to petiole

叶片卵形，边缘有锯齿或具深圆齿，基部不下延至叶柄 55

Leaf blade ovate, elliptic, or linear, base broadly cuneate or attenuate, margin entire or rarely crenate.

叶片卵形，椭圆形，或线形，基部宽楔形或渐狭，边缘全缘或很少具圆齿。

Leaf blade broad, margin serrate or crenate, flat; corolla urceolate, shortly lobed.

叶片宽阔的部分，边缘有锯齿或具圆齿，平；花冠瓶形，短浅裂。

Finally, the shape of crown gear is relativelyspecial,so its processing and manufacturing has a certain difficulty.

最后，鼓形齿的外形较为特殊，加工制造有一定的难度。

This paper uses VBAlanguage which is one of the secondary development tools for AutoCAD 2000 and applies the ActiveX technology to develop CAD system of worm-shaped honing wheel to complete the parametric design, which has friendly UI.

通过对蜗杆形珩磨轮珩齿机理的探讨，推出了阿基米德蜗杆形珩磨轮的设计计算公式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。