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Where item is an expression, delimiter is a delimiter and end is an optional closing expression.

这里 item 是一个表达式，delimiter 是一个分隔符而 end 是一个可选的结尾表达式。

Software Description: Weather Signature enables you to create dynamic email signatures that include the current weather conditions for your city, along with optional jokes, images and your personal information.

Weather Signature 让你可以创建包括带有笑话，图像以及你的私人信息的你的城市当前天气状况的动态电子邮件签名。

This kind is mixed desultorily optional encode, lack pair of shoes kind maintain of the product truly definitely, those who lack a times is successional the consistency with the industry, to the shoe kind product and development evolution.

这种杂乱无章和随意的编码，缺乏对鞋类产品的准确认定，缺乏时代的连续性和行业的一致性，对鞋类产品及发展沿革。。。

StabiliTrak is standard on DTS and optional on DeVille and DHS.

标准配置的Stabilitrak是DTS和国土安全部的Deville和可选的。

New for 2004New heated and cooled front seats come standard on the DHS and DTS and are optional on the DeVille.

为2004New新的加热和冷却的前排座椅的标准配置的国土安全部和DTS，并在德维勒可选的。

Feet: a single or double dewclaw may be present on the rear feet. removal of rear dewclaws, if present, optional.

足：一个或是两个的悬趾可能会出现在后足上，可选择于出生后切除。

Dewclaw removal is optional. Feet: hare-foot.

狼爪：是否切除是可选的。

Routine diagnostic tests to identify an etiologic diagnosis are optional for outpatients with CAP.

CAP门诊患者可选用常规的诊断方法来鉴别诊断病原体。

In this paper,we consider necessary conditions for optional control of second order ordinary differential equation with coefficient control and two point boundary value,thenobtain the inequality of variation.

在这篇文章中，我们考虑控制出现在最高阶系数上二阶常微分方程系统最优控制满足的必要条件，得到了最优控制满足的变分不等式。

This feature is optional and can be disabled.

此功能是可选的，并可以禁用。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。