名词 cross wire:

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

crossarmn.横木crossv.穿过；交叉；杂交；反对；勾掉；碰见；阻挠n.十字架；十字形；杂交动植物；苦难adj.交叉的；相反的；生气的；杂交的cross-linked starches交联淀粉cross-pollinated crop异花授粉植物crosstalk coupling loss串音耦合衰耗cross-section of load负荷截面crosswise bearing piece横向支重块cross-river transport越江交通cross-country vehicle越野汽车; 全国直通运行的车辆cross-sectional width截面宽度cross roll straightener斜辊矫直机crossed lines operation跨线运营