dyad
英 [ˈdaɪæd]
美 [ˈdaɪæd]
n. 二分体; 二联体; 并矢; 并向矢量
复数：dyads
BNC.46050 / COCA.18814
英英释义
noun
双语例句
- Analysis of the Dyad Relationships in the Growth of Electronic Commerce Network
企业际电子商务网络中的二元关系分析 - 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。 - Dyad analysis for elastic solid strain
弹性体应变的并矢分析 - A dedifferentiation of mitochondria and plastids in structure in microspore mother cells was observed at from diplonema/ diakinesis to metaphase ⅰ, then a redifferentiation at dyad stage.
在小孢子母细胞减数分裂过程中，有核糖体数量存在逐渐减少的现象，质体和线粒体结构在双线期/终变期和中期趋于简化； - 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。 - Automatic generation of the transformed dyad mechanism in analyzing any planar multi-link complex mechanism
平面多杆复杂机构分析中转化双杆组机构的自动生成 - 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。 - 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 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。 - A model for describing the dyad relationships between the initiator and adopters is built. Some stimulation mechanism and strategy to promote the growth of the network are proposed.
在此基础上，应用数学模型描述两者之间的关系，给出了电子商务网络成长的激励机制与策略。