If we do the testing on the vehicle, the results are relatively well, but the cost is high and there is a problem on security, so people design professional testing equipments to test its performance.

若在实车上进行测试，测试效果比较好，但成本高，且有一定的安全风险，因此一般通过设计专业的测试装置来测试其性能。

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Well that's a vehicle that, in our testing, got about 14 miles per gallon.

NPR: Hybrids and the 'Halo Effect' of Car Ads

While GM gave up on the car, AeroVironment kept up its electric vehicle research and development and has been offering EV charging and testing equipment and services to automakers as well as selling a line of chargers for heavy-duty electric forklifts.

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