This paper USES cutting tool with the contact line of conjugate tooth profile based on the principle of the gear engage and generating shape line forming conjugate engage.

本文依据齿轮啮合原理，利用产形线形成共轭啮合的原理，采用共轭齿面接触线为刀刃构形的切齿刀具，这样构形的切齿刀具都非常简单，并且容易采用合理的几何角度。

youdao

The shape of this line between night and day varies with the seasons, which means different lengths of days and differing amounts of warming sunshine.

这条黑夜与白天分界线的形状随着季节的变化面变化，它代表着不同的白天时间长度和不同的阳光照射量。

youdao

The study is the latest in a long line to link the shape of man’s hands with his path in life.

这一研究是同类研究中最新的。 先前已有多项研究将男人的手的形状和他的人生道路联系在一起。

youdao

He makes very careful decisions about color,shape and line so that he can make the best print possible.

VOA: special.2009.09.02

Shoe-maker Skechers, which has also made its name with celebrity endorsements in addition to its line of Shape-Ups fitness shoes scooted into number 8.

FORBES: Levi's and J.C. Penney Lead Buzz for First Half of 2011

Skechers offered investors a glimpse of new products to be released in coming months, and demonstrated the evolution of their Shape-Ups product line, according to Wedbush Securities analyst Camilo Lyon.

FORBES: Skechers Shapes Up

But I think the goal of marketing is to help shape and drive the demand line, to really increase awareness for the service.

FORBES: Building Marketing And Engineering Relationships With Hot Dogs: Insights From Alarm.com's Jay Kenny