Unknown-unknown

Wright provides an x-factor. The speaker of the House has never been in this sort of predicament.

赖特成为一个未知因素。众院议长从未遭遇过这种尴尬局面。

Van der Werf adds that this affinity will, however, be affected by other genetic changes in the virus, which at present are an unknown factor.

他还表示：但是亲和力还将受到病毒中的其它基因变异的影响，这些在目前还是未知因素。

"X" is for the "X" factor, seeking the extra dimension in yourself and in people, finding the winning trait in each person.

代表未知因素，发掘自己和他人的过人之处，发现每个人身上所独有的魅力。

An unknown or unnamed factor, thing, or person.

未知之（人）物，不知道的或未命名的因素、物体或人

This show failed to record for an unknown reason.

由于未知原因，未能录制此节目。

for a reason that is unknown or unspecified

由于未知的或未确指的原因

Forsaking the conception of cause, mathematics seeks law, that is, properties common to all unknown, infinitesimal quantities.

数学放弃原因的概念而寻求法则，也就是寻求一切未知的无限小的元素的共同性质。

maximum permissible concentration of unidentified radionuclides

未知放射性核素最大容许浓度

From that moment she resolved to trace the unknown element.

从那日起，她决心找出这种未知的元素。

The network is not ready for some unknown reason. Please try again shortly.

由于未知原因，网络尚未准备好。请稍后再试一次。

An unexpected error occured. Reasons for the failure are unknown.\0

出现意外错误。错误原因未知。\0

Yet, the cause and cure for the mental sigenis (sickness) are still unknown.

然而致病原因和治疗方法仍然未知。

This show will fail to record for an unknown reason.

由于未知原因，将无法录制此节目。

The error with the path is unknown yet it's found invalid. Please correct your entry

路径无效，错误原因未知。请修改条目。

We do not yet know all the causes of blindness.

我们尚未知晓造成失明的所有原因。

Who knows but that our "monarch" may stay his hand in consequence?

因此，我们的君主就此缩手，也未可知。

The unknowns in the equations are the values of the dependent variables at the node.

方程中的未知数是结点上因变量的值。

Identification and Functional Characterization of a Novel Gene MGC13096;

人类未知基因MGC13096的鉴定与功能研究