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 reaction materialCRMcrossing sifting method穿越筛分法cross arch fulcrum line横跨牙弓的支点线, 跨弓支点线, 跨弓支点连线crossing over inversion倒位交换cross-wire micrometer十字丝测微器Crossed molecular beams交叉分子束Cross Experiment Method正交实验cross-network effects交叉网络效应cross bar switch matrix纵横开关矩阵cross-section imaging切面显像