Question

请高手帮忙翻译以下一段话（中译英）！

当测量超薄材料时，有时会发生一种称为“双重折射”的错误结果，它的结果为显示读数是实际厚度的二倍，另一种错误结果被称为“脉冲包络、循环跳跃”，它的结果是测得值大于实际厚度，为防止这类误差，测临界薄材时应重复测量核对。必要时，最小极限厚度可用试块比较法测得。

Answer 1

当测量超薄材料时，有时会发生一种称为“双重折射”的错误结果，它的结果为显示读数是实际厚度的二倍，另一种错误结果被称为“脉冲包络、循环跳跃”，它的结果是测得值大于实际厚度，为防止这类误差，测临界薄材时应重复测量核对。必要时，最小极限厚度可用试块比较法测得。

翻译：
When the measurement of ultra-thin material, sometimes occur, called "double refraction" error results, which show the results of reading is the actual thickness of the double, the other a wrong result is known as the "pulse envelope, loop jump , "which resulted in the measured value is greater than the actual thickness, in order to prevent such errors in measurement should be repeated measure critical thin material verification. When necessary, the minimum limit of the thickness can be measured by test block of comparative law.
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Answer 2

When measuring ultra-thin materials, sometimes it cause wrong results called a "double refraction" , to show the results with twice of actual thickness. Another kind of wrong results is called "pulse enveloping, circulation jumping", that is, the result is greater than the actual measured values. In order to prevent this kind of error, measurements should be repeated. When necessary, the minimum limited thickness can be measured by method of test-block measurement.

Answer 3

When the measurement of ultra-thin material, sometimes occur, called "double refraction" error results, which show the results of reading is the actual thickness of the double, the other a wrong result is known as the "pulse envelope, loop jump , "which resulted in the measured value is greater than the actual thickness, in order to prevent such errors in measurement should be repeated measure critical thin material verification. When necessary, the minimum limit of the thickness can be measured by test block of comparative law.