GWO offers two types of testing experiments.

GWO提供了两类测试。

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We solve this problem by having two types of testing roles at Google to solve two very different testing problems.

我们在Google用两种不同类型的测试角色解决了两种不同问题。

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Based on the combination of the options you specified, it performs one of the following four types of testing for you.

基于所指定的选项组合，将执行下面四个测试类型。

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The animal protection group Humane Society International said the new directive would still not prevent "severe suffering" in certain types of animal testing.

BBC: EU tightens rules on welfare of lab animals

The Health Protection Agency carries out genetic testing on all types of the virus seen in England and Wales.

BBC: New strain of winter vomiting bug norovirus: Sydney 2012

Researchers conducted genetic testing of various types of fish procured in restaurants, sushi joints, and fish markets in 21 states between 2010 and 2012.

FORBES: Think You Ate Tuna Sushi For Lunch? Study Finds Mislabeled Fish Nationwide Problem