常見例句雙語例句It has the advantage of stable seed-setting and multiple grain leading to the improvement of propagation coefficient.多子房性狀可有效提高小麥的繁殖系數(shù)，在提高小麥雜交種繁育制種效益方面具有巨大前景。Studies were made on the vegetative propagation coefficient and cormels biological characters using eighth-excision in different development phase of Lycoris radiate.在紅花石蒜不同生長發(fā)育期進行八分法切割繁殖，研究無性繁殖系數(shù)和子球生物學(xué)性狀差異性。The affinity of self-incompatibility in the mustard family affects the purity of hybrid seed and the propagation coefficient of stock plant.十字花科自交不親和性的大小關(guān)系到雜交制種的純度和原種的繁殖系數(shù)。 返回 propagation coefficient