The test model bears little resemblance to a gun.

试射用的模型类似于大炮。

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He lifted his gun toward the model and shouted, "On the ground, Kari!"

他举枪向模特儿，大声叫道：“趴在地上，Kari ！”

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Based on sandblast working principle and structure characters of blast gun, free jet model was developed in eject sect.

根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。

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Twenty-three operators, representing more than 80 percent of the shows across the state, will abide by the "Model Gun Show Procedures" developed after undercover operations in 2011 showed buyers could obtain weapons without going through required background checks, Schneiderman said.

WSJ: Most NY gun show operators agree to new rules

Lions Clubs International is marketing a Kargil war memento: a model of an artillery gun made from the shell casing of an 155-mm howitzer.

CNN: ASIANOW - TIME Asia | INDIA: The Spoils of War

Jerome Guillen wants to gun a prototype Tesla Model S up a steep, twisty road on the outskirts of Silicon Valley, but a Porsche blocks his way.

WSJ: Tesla Takes Luxurious Route to the Electric Car