dyad

英 [ˈdaɪæd]

美 [ˈdaɪæd]

n.  二分体; 二联体; 并矢; 并向矢量

复数：dyads　

化学

BNC.46050 / COCA.18814

英英释义

noun

• two items of the same kind
  Synonym:couplepairtwosometwainbracespanyokecoupletdistichduoduetduad

双语例句

• Dyad analysis for elastic solid strain
  弹性体应变的并矢分析
• Callose exists mainly in transverse walls during dyad, triad and tetrad stages, a little in side walls.
  二分体、三分体、四分体时期，胼胝质荧光主要存在于大孢子之间的横壁上，侧壁内胼胝质荧光较弱。
• The chalazal cell in the dyad contains many organelles, and mitochondria and plastids showing regular shapes, considered a sign of the end of redifferentiation.
  合点端的二分体细胞中细胞器丰富，线粒体和质体的形态正常，表明完成了再分化。
• The Application of Dyad in Electromagnetic Theory
  并矢在电磁理论中的应用
• The Reciprocal Development Model of Leader-member Exchange and Trust in Supervisor-Subordinate Dyad
  领导&部属交换与上下属信任交互发展模型
• After observing regulatory sites obtained by experimental analysis, many transcriptional regulatory sites in yeast consist of a pair of highly conserved oligonucleotides, spaced by a non-conserved region of fixed width ( dyad).
  观察实验获得的转录调控位点，发现许多调控位点不是相邻接的寡核苷酸，而是由一对保守寡核苷酸构成，这对寡核苷酸被一段长度固定的非保守区域间隔开。
• Firstly, the linkage is decomposed into two parts: a dyad and a four-bar linkage.
  首先将该机构拆分为一个双杆组和一个四杆机构；
• Two lagging chromosomes were often found at Anaphase I and a dyad with equal chromosome number of 20+ 20 were formed at Anaphase I.
  减数分裂末期，往往出现两个落后染色体，最终产生染色体数为20+20的二分体。
• The position error, velocity error and acceleration error of planar dyad linkage mechanisms with multi-links and multi-loops are analyzed according to the constitutional principles of planar mechanisms.
  根据平面机构组成原理，对平面多杆多环Ⅱ级组连杆机构的位置误差、速度误差和加速度误差进行了分析。
• Mother-daughter dyad and its inherent conflicts and frictions are most important themes Tan has touched in The Joy Luck Club.
  母女关系以及她们之间的冲突和摩擦是谭恩美在《喜福会》中涉及到的最重要的主题之一。