多重二分法 multiple dichotomy method
二重盲检法 double blind test
二重乘法 [数] double multiplication
二重证据法 double evidence for the existence ; Dual Evidence ; Twice Evidences
二重魔法 Double Spell
二重求和法 [数] double summation
二重扫除算法 double-sweep algorithm ; Double swap algorithm
二重二分法 double dichotomy
同位素二重稀释法 double isotope dilution method
双重二分法 double dichotomy
在上述三种退捻加捻法中，三倍退捻加捻法测试转杯纱捻度的测试结果最大，其次是二重法和一次退捻加捻法。
Test result obtained with triple twisting method is the greatest, then is those obtained with double twisting method and one time back twisting and twisting method (GB 2543-81).
针对以上难题，利用有限元法研究了钻柱在井底的二重非线性(几何非线性和接触非线性)问题。
Thus the finite element method is used to study the duplex nonlinearity (geometric nonlinearity and contact nonlinearity) of the drill string at the well bottom.
我们用二重优化法试算了四个问题，并与已有的五种算法进行了比较。
The new algorithm is used to solve four problems and compared with five of the previous algorithms.
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