cross hair

1. Thanks to their cutting edge design sense, they conceived of a booth that looked like a cross between a1980's hair salon and a scrap yard.
   多亏他们的“前卫”设计，他们的展区就像个80年代的美发沙龙与废料场的合体。
2. You won't get your cross hair at the enemy on time.
   你没法及时瞄准敌人。
3. To meet the requirments of precision about automatic levels, the form of external focussing by means of moving the objective or cross hair of the telescope, having simple constitution and lesser factors of error, has been known and studied again.
   随着对自动安平水准仪的精度要求不断提高，结构简单、误差环节少的外调焦方式又重新被认识和研究。
4. In general, the distribution of ortho-and para-cortex is not bilateral in cross section of the rabbit hair.
   一般在兔毛纤维横截面上正副皮质不呈双边分布。
5. Objective: To observe the cross links between stereocilia on guinea pig utricle hair cells.
   目的：探讨豚鼠椭圆囊斑毛细胞静纤毛束间的相互连接形式及其生理意义。

noun

1. either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration
   1. he had the target in his cross hairs

   Synonym:    cross wire