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
- 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 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。 - 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。 - The Application of Dyad in Electromagnetic Theory
并矢在电磁理论中的应用 - 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。 - 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 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。 - 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 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