We show existence results for multiple sign-changing solution for third-order two- point boundary value problems by using the fixed point index and the topologic degree theory.

主要研究一类三阶两点边值问题变号解的存在性和多重性，利用不动点指数和拓扑度理论等得到了新的结论。

youdao

Similar to multiple bank tellers servicing a single line of waiting customers, efficiency improves when developers instead sign up for the next task when they've completed the last task.

类似于银行的多个出纳员服务一条等待的客户队伍，当开发人员完成一个任务准备进入下一个任务的时候他们的效率会有所改进。

youdao

You just create multiple versions of your website, define what your visitor goals are (download, sign up, purchase, etc.), and then they split your traffic between the different versions.

你只需创建多个版本的网站，确定你访客目标(下载，注册，购买等)，然后在不同版本之间的切换流量。

youdao

One sign of multiple sclerosis is losing the ability to speak clearly.

VOA: special.2009.01.06

The container also facilitates direct access to file systems and document sharing such as SharePoint, without the additional encumbrance of entering a unique URL into a browser or multiple sign-ons.

FORBES: Advantages of the MobileSpan Approach

Failing to control for multiple testing is a warning sign that results might be spurious.

FORBES: Minimum Pricing, Maximum Confusion: Should Governments Fix The Price Of Booze?

There was enough to be learned even through failure that a track record of multiple startups was a good sign.

FORBES: Entrepreneurs are the New Labor: Part II