By using a double phase lock in amplifier to measure the AC strain, the measurement error can be decreased to 0.4% of the total measurement range.
如果使用双相位锁相放大器测量交变的被测量，误差将减小到全量程的0.4%以内。
In this paper I have shown that the double phase-only matched filtering can be realized by a computer generated hologram of detour phase with phase coding for two objects.
本文提出采用对二个物体进行位相编码的迂回位相计算全息图对该两物体实现二重位相匹配滤波。
Based on the analysis of solutions of two examples, the author raised two questions about the using of lever rule in double phase systems.
通过对两个例题的错误解答进行分析，提出了相平衡体系中运用杠杆规则值得注意的两个问题。
Double phase conjugation reflectivity of 44% was obtained, and the phenomena is analyzed theoretically.
获得了44%的双泵浦相位共轭反射率。对以上现象我们从理论上进行了分析。
Objective: To evaluate the double-phase scan combined with image post-processing using multi-slice spiral ct (MSCT) on pre-operative assessment in pancreatic carcinoma.
目的：探讨多层螺旋ct双期增强扫描及图像后处理在胰腺癌手术可切除性研究中的应用价值。
Based on the theory of X-ray stress measurement, a method of measurement and representation for the inter-phase stress of double-phase material was established.
基于X射线应力测量原理，建立了一种双相材料相间内应力的测量与表征方法。
Methods M. tuberculosis strains were isolated from sputum specimens and cultured with double-phase Kuang ′s agar medium. Rifampin resistant and dependent M. tuberculosis strains were detected.
方法采用双向匡氏琼脂培养基分离痰结核菌并作耐药性和依赖性测定。
Methods M. tuberculosis strains were isolated from sputum specimens and cultured with double-phase Kuang ′s agar medium. Rifampin resistant and dependent M. tuberculosis strains were detected.
方法采用双向匡氏琼脂培养基分离痰结核菌并作耐药性和依赖性测定。
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