最后讨论了利用单交组合预测三交和双交组合遗传表现的有关问题。
The prediction of genetic behaviors of 3-way and 4-way crosses by single crosses was also discussed.
前言：目的：总结膝部同一小切口双交锁髓内钉内固定治疗“浮膝”骨折的临床应用和意义。
Objective To summarize the application and clinical meaning of double interlocking intramedullary nailing treatment of floating knee fracture in a small incision.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略，建立了交-交直接变换控制方式下矩阵变换器的数学模型。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
双变量6脉波交-交变频器采用零式结构，由36只晶闸管组成。
Bivariate six-pulse AC-AC converter based on zero-structure, is composed of 36 SCR.
著名的香奈儿双c交迭商标即来自她的姓名字首。
The famous Chanel logo of two intertwined Cs is based on her initials.
为了降低镜频干扰、交调和互调干扰，接收机采用了双中频方案。
In order to decrease the mirror frequency interference, cross interference and inter-modulation interference, double IF (Intermediate frequency) is adopted in the receiver.
目的设计与新型髓内钉相配套的双皮质自攻螺纹交锁螺钉，并对其生物力学性能进行对比研究。
ABSTRACT: Objective To compare the biomechanical characteristics by designing newly manufactured cortex self tapping interlocking screw matched with interlocking nail.
华堂溢喜地天交泰；桂苑飘香人月双圆。
Huatang overflow to day Jiaotai; Gui Yuan fragrance the people of double circle.
讨论了正弦波输出的交—交变频器触发角的控制方案，实现了双微机控制的交—交变频器的低频控制，给出了实际运行波形。
The triggering Angle modulation method of the sine-wave cyclo-converter is carried out, and the operating wave form of the designed system is put forward.
用密度泛函理论在B3LYP/6-31G（d）水平上研究了双官能团硫脲催化丙交酯开环聚合反应的微观机理。
The Ring-opening polymerization(ROP) of D-lactide(D-LA) catalyzed by bifunctional thiourea catalyst has been studied by performing density functional theory calculations at the B3LYP/6-31G(d) level.
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧短路故障时，不会给系统带来稳定问题。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧短路故障时，不会给系统带来稳定问题。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
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