杂交率 meaning in English

crossing rate

Preliminary analysis of the investigative method of hybridization rates of commom silkworm eggs
普通蚕种杂交率调查方法浅析
That is firstly establishing the body characteristic image and character data - base of every breed at the newly - hatched silkworm stage by anatomical microscope and photography equipment , and then comparing the body characteristic of the silkworm breed to be identified with the corresponding characteristics of every breed having known in the data - base , and making a statistic deduction on the inspectional results in the light of probability distribution theory and sample deduction method
不同蚕品种具有不同的蚕体颜色、斑纹、斑纹颜色和形状、体型等形体特征，这种形体特征与4 、 5龄大蚕的形体特征不同，据此发明了一种根据蚁蚕期形体特征检验蚕种杂交率的方法。