理论计算和实验表明，“三线法”结合近似函数法在线形分析方面是简便、可靠的。
Theoretical calculations and experiments show that the "three-line" method combined with the approximate function is convenient and reliable, and the accuracy is higher.
目的探讨足印图三线法、比值法和负重侧位X线片数据测量在脑性瘫痪（脑瘫）患儿足外翻康复评估中的临床意义。
Objective To explore the clinical significance of the footprints and lateral X-rays in weight loading in evaluating the rehabilitation of talipes valgus in the children with cerebral palsy.
目的探讨小儿脑性瘫痪引起足外翻的康复治疗方法和足印图三线法、比值法和负重侧位X线片等康复评估方法在小儿脑性瘫痪患儿足外翻康复评估中的应用及临床意义。
Objective To explore the clinical significance of the footprints and lateral X-rays in weight loading in evaluating the rehabilitation of talipes valgus in the children with cerebral palsy.
信号预处理系统还包括温度信号提取电路，通过铂热敏电阻实现对温度信号的提取，采用了三线制恒流源测量法。
The signal pre-processing system also has circuit to extract temperature signal via platinum thermistance, in which three-wire system and constant current measurement method are adopted.
该文应用复合三线摆测量法测得了某轿车动力总成的有关参数。
Correlative parameters of a certain cars power train are obtained through a complex three-wire pendulum.
由能量方程出发，引入新变量，用旋转矢量法讨论了三线摆大角度摆动时的周期。
New variable is introduced based on energetic equation, the period of vibration of three wire pendulum is studied using the method of rotating vector.
采用该公式计算的三线系数与现场调查分析法所得结果基本一致。
The trilinear coefficients derived from this calculation formula basically agree well with those obtained from field survey method.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
“三线放松法”是一种以意念配合调身、调息动作，使有机体尽快恢复到相对安静状态的主动放松手段，是和中国气功相结合的意念放松方法。
Three-step relaxation method" is a positive relaxation means, which helps the organism regain relative composure quickly by combining thought with the action of coordinating body and respiration."
依据比利时格法平拉机技术，综合国内一窑三线、四线平拉机组的生产使用情况，进行重新设计改造。
According to Belgian technology of horizontal drawing machine , combining with domestic production and use conditions in one furnace three lines, one furnace four lines, we make new design reform.
依据比利时格法平拉机技术，综合国内一窑三线、四线平拉机组的生产使用情况，进行重新设计改造。
According to Belgian technology of horizontal drawing machine , combining with domestic production and use conditions in one furnace three lines, one furnace four lines, we make new design reform.
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