显然，测试环境应尽可能地与生产环境相似，因为任何差异(任何方面的差异)将引入不确定性。
Obviously, the testing environment should mirror the production environment as closely as possible, since any differences (any at all) introduce uncertainty.
非自衡时滞过程作为一种开环不稳定过程，开环辨识测试过程中的外界扰动将产生不确定性影响。
For an integral process, disturbances during the identification test of open loop identification will lead to some uncertain effect.
上面所描述的包括功能测试在内的各种类型的测试，减少了产品某一方面的不确定性。
Each of the types of testing described above, including functional testing, reduces uncertainty about a particular aspect of the product.
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