注意：当校验被激活，你不能改变量程配置，也不能改变量程值。
NOTE: When calibration is enabled, you can't change neither range configuration nor span gas values.
通过对标度方程进行分析得知，要改变量程只须改变两个参数——标度因子和量程下限。
Based on analysis of scaling equations, we found that the measuring range can be changed easily by modifying only two parameters-the scale factor and the lower limit of the range.
该数字频率计达到预期要求，实现了可变量程测量，测量范围0.1Hz—9999MHz，精度可达0。
The digital frequency meter to achieve the desired requirements of the variable-range measurement, measuring range 0.1Hz-9999MHz, accuracy up to 0.1Hz.
清单2 . display_func变量声明、样例大小增量程序。
Listing 2. display_func variable declaration, sample size incrementer.
钢管混凝土柱模型试件的应变量级很大，环境噪声影响较大，可采用大阻值和大量程应变片提高应变准确度。
The wide range strain gauge with large electric resistance should be used to improve the test accuracy, because of the large strain in CFT model and the unfavorable influence of environment noise.
钢管混凝土柱模型试件的应变量级很大，环境噪声影响较大，可采用大阻值和大量程应变片提高应变准确度。
The wide range strain gauge with large electric resistance should be used to improve the test accuracy, because of the large strain in CFT model and the unfavorable influence of environment noise.
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