对开的英文：
bisect

A European evergreen fern(Phyllitis scolopendrium)with narrow,undivided fronds.
荷叶蕨一种产于欧洲的有不可分割窄叶的常绿蕨类植物(对开蕨对开蕨属)

If hearts break 3-2, I'll surrender a trick to the king.
如果他们的红心是三、二对开，那么我就让一墩给K。

Regulator head (for two-piece regulator)
快慢针头(对开快慢针用)

Payment of the transactions stipulated in Article 1 shall be effected by reciprocal L/C.
第一条所订交易的支付通过对开信用证进行。

Large post: Standard size of writing paper 491*533 mm (161/2*21 in.)
小版对开度:书写用纸的标准纸度之一，429＊533毫米(262;2＊22)。

Use your compass to bisect an angle.
用圆规把一个角二等分。

Next two problems illustrates a general method called a bisection argument
下列两题说明一种一般的方法，称为对分法。

We’ll bisect his trail in sixty seconds. Look for the red paint!
六十秒钟之后我们就会找到他的行踪，注意找红油漆记号！

(1) HSMBK, it uses the bisect partition principle and adopts a new method to count the comparability--
(1) HSMBK算法，利用了对称划分原理； 采用了一种新的计算相似性方法--布尔特征稀疏差异度；

Static evaluation is used to determine motions in a direction that bisects the angle between the directions of illumination and observation
静力学计算是用来决定照射方向与观察方向之间的角分线方向的运动。