North American subspecies of tundra swan having a soft whistling note.

Subspecies that are differentiated by the markings on their wings.

可通过各自翅膀上的标记来加以区别亚种的不同生物.

All five remaining tiger subspecies are endangered, and many protection programs are in place.

所有现存的5个亚种都是濒危动物, 许多保护机制已经实施.

SUBST Associates a path with a drive letter.

将驱动器名与路径关联.

The system tried to SUBST a drive to a directory on a joined drive.

系统试图替代驱动器为合并驱动器上的目录.

A JOIN or SUBST command cannot be used for a drive that contains previously joined drives.

包含先前加入驱动器的驱动器无法使用JOIN或subst命令.

There are stage clamps available to attach the stage to the substage of the microscope.

需要热台固定支架把热台安装在显微镜上.

The potential stageflood is analyzed by checking design flood and studying interval and substage flood . 2.

与此同时,通过对水库设计洪水的复核以及对区间洪水和分期洪水的研究,分析了汛限水位抬高的潜力.

Is there any substance to their claim?

他们的要求有实质内容 吗 ?

Nothing of any substance was achieved in the meeting.

会议没有取得任何实质性成果。

The substance of his discussions doesn't really matter.

他讨论的要点实际上根本不重要。

The leaves were covered with a strange sticky substance.

树叶上覆着一层黏糊糊的怪东西。

It's questionable whether anything of substance has been achieved...

是否已经取得了任何实质性进展还是个问题。

a sticky substance

一种黏糊糊的东西

The commission's report gives substance to these allegations.

委员会的报告为这些说法提供了事实根据。

There is some substance in what he says.

他的话是有一定根据的。

a chemical/radioactive, etc. substance

化学、放射性等物质

It was malicious gossip, completely without substance .

这是恶意造谣，完全没有事实根据。

There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances...

根本没有法规来确保香烟不含有毒物质。

Love and guilt form the substance of his new book.

他的新书主要讲爱情与罪孽。

matters of substance

重大问题