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

• 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。
• The dyad distribution and number-average sequence length of these copolymers were quantitatively determined.
  定量地求得丁-戊共聚物二元组分布及数均序列长度数据。
• 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。
• 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。
• Of or relating to a dyad or based on two.
  属于或关于二分体，或以二为基础。
• A Stephenson six-bar chain is composed of a basis four-bar chain and a dyad, and its circuit properties are determined by the circuit properties of the basis four-bar chain and the configurations of dyad and the intersection between them.
  将Stephenson六杆链看作一个基础四杆链和双杆组组成，则其回路特性由基础四杆链的回路特性与双杆组的构形以及他们的相互作用决定。
• 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 disruption or derangement of Zeitbewu β tsein ( consciousness of inner time) is the differential characteristic for Accident, whose transformation relies on the Stories co-created by patient-therapist dyad, plus multiple narrative scaffolds.
  内在时间体验的紊乱是事故的鉴别性特征，其转化依赖于病人与治疗师共同创造的故事，以及多重的叙事框架。
• Application of dyad green's function equivalent source method in borehole electromagnetic method
  并矢格林函数等效源法在钻孔电磁波法中的应用
• 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。