Through development and on-board test of ZA alloy bushing, its wearing performance has been further demonstrated.

通过ZA系列锌铝合金轴套的研制和装机试验，进一步证明其耐磨性能。

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The mainly deference between on-board test and bed test is pointed out. Several available measure methods of exhaust gas, engine and fuel oil's parameter are also brought forward.

此外，作者还就氮氧化物实船测试中的特殊情况进行了分析，指出实船测试与台架试验中的主要差别，并提出了几种可供参考的废气、发动机、燃油参数的测量方法。

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The USA plans to use "on-board test method" on the heavy diesel vehicle in 2007, measure and evaluate the HDV PM emission in the real world, carry out more effective control of the emission.

美国环保局计划于2007年实施重型车车载排放测试法，对重型柴油车在实际行驶过程中的排放进行测量和评估，实现更有效的控制。

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North's stunning return on a turning track - which earns him a place on the Lord's honours board - doubled his career tally of Test wickets in his 16th five-day appearance for the baggy greens.

BBC: North inspires Australia to Lord's win over Pakistan

Besides, say the Americans, the Sagarika is still on the drawing board, whereas the Ghauri has been test-fired.

ECONOMIST: Asian security