B-line
英 [biː laɪn]
美 [biː laɪn]
n. 变址（数）寄存器；B线; B系，保持系
双语例句
- The results showed that the A-line and B-line of Chinese cabbage-pak-choi were reliable and stable with the ratio 1: 1 of sterile plants to fertile plants, and the pollen of sterile plants was abortive thoroughly.
白菜核雄性不育两用系中不育株花粉败育彻底，不育株与可育株1：1分离，是一种稳定可靠的核雄性不育两用系。 - PAGE Analysis on Esterase and Peroxidase of "JinA-line and B-line" in Cotton
棉花晋A及其保持系酯酶过氧化物酶PAGE电泳分析 - The following results were obtained: ( 1) Comparative analysis has been made between A-line and B-line of Chinese cabbage-pak-choi, such as the plant characters, fertility and structure of floral organs.
用比较分析的方法，对白菜核雄性不育两用系中不育株与可育株的植株性状、育性和花器结构等进行形态学观察。