X

n.

字母x,罗马数字10；

adj.

X形的，X级的（电影等），第二十四的；

x rayX光，X射线

planet x未知行星；冥外行星

x chromosome n. [生]X染色体（性染色体的一种）

x axis n. 横坐标

x factor n. 未知因素

fragile x syndrome[精神病学]脆性X综合征；X染色体易损综合征

1. The motion (ie for debate) was proposed by Mr X and seconded by Mrs Y.
   那动议经X先生提出有Y夫人附议。
2. Ms X has been named for the directorship/named as the new director.
   某女士已被提名任董事职务[任命为新董事]。
3. What does x represent in this equation?
   这个方程式中的x代表什么?
4. The mark X denotes an omission.
   增补号(X)表示有脱漏。

Soft X-ray spectrum of a hot plasma
The X-tree: an index structure for high-dimensional data
The X-tree: An Index Structure for High-Dimensional Data
International tables for X-ray crystallography.
Rett syndrome is caused by mutations in X-linked
High-Resolution X-Ray Photoemission Spectrum of the Valence Bands of Gold
LAZY PULVERIX , a computer program, for calculating X-ray and neutron diffraction powder patterns
The CLUSTAL_X windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools.
The human XIST gene: Analysis of a 17 kb inactive X-specific RNA that contains conserved repeats and is highly localized within the ...
Studies on the hydrogen absorption properties of LaNi 5−x Sn x and La 0.95 Ni 4.6 Sn 0.3 alloys using magnetic and thermoelectric...