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
• 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 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。
• 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；
• 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。
• 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。
• 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
• 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。
• At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared.
  四分体时期出现二分体、三分体、含微核的异常四分体及多分体。
• 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。