释义 |
Sa·git·ta 英səˈdʒɪtə美səˈdʒɪtəAHDsə-jĭtʹə COCA¹⁶⁰³⁵⁰BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 n.矢挠曲的指针 Copepoda is the most important food group in the food composition of Sagitta crassa in four seasons, but there are remarkable changes in percentage of copepoda species consumed by Sagitta crassa. 它在渤海的食物组成四季都以桡足类为主,但捕食其中各种类的比例则有明显的季节变化。 iciba The feeding selectivity of Sagitta crassa, some ecological factors effect to the feeding rate and their diurnal feeding rhythm were experimentally studied in this paper. 实验研究了强壮箭虫对几种食物的摄食选择性和几种生态因子对其摄食率的影响,以及摄食的昼夜节律。 cnki The tolerance to quickly-changed temperature and salinity, and gradually-changed temperature and salinity in Sagitta crassa were studied. 研究强壮箭虫对突变温度、突变盐度和渐变温度、渐变盐度的耐受性。 zidian8 Sagitta crassa are cannibalistic although the occurrence frequency of cannibalism is not high. 强壮箭虫有同种相残的习性,但发生频率不高。 cnki Branching intensity and rhizome length of L. virgaurea and L. sagitta increased with the increasing of resource level. 黄帚橐吾和箭叶橐吾的分枝强度、间隔子长度都随资源水平的增加而增加。 cnki This character might improve invasion ability of ramet in vacant habitat, and adapted to the character of life history that L. virgaurea and L. sagitta presented under transplantation condition. 这一特性可以提高分株在空白斑块中的侵占能力,这也适应于黄帚橐吾和箭叶橐吾在移栽条件下所表现出的生活史相特征。 cnki |