Many are self-steering, use GPS to cross a field, and can even "talk" to their implements—a plough or sprayer, for example.

很多都是自动驾驶的，使用 GPS 穿越田地，甚至可以和他们的工具“交谈”——比如，与犁或喷雾器。

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The flag of st David is a gold cross on a black background, although earlier variations exist.These include a black cross on a gold field and engrailed edges on the cross.

虽然早期曾变为金色背景下的黑色十字以及十字的边缘变化为锯齿状，但圣大卫之旗如今基本保持于黑色背景下的金色十字。

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One way this might be done is to place a grid of wires behind them and induce a magnetic field where the wires cross. The spheres at the intersections would then rotate.

方法之一，有可能是在其背后建立一网格线和在线经过的地方引入磁场，在这地方的微珠就可以旋转了。

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Supporters of growth promoters will point to the lack of cases in the field of cross infection or gene transfer.

BBC: Animals and antibiotics: the risks

It only took 76-seconds for the Chiefs to make their attacking intentions known when Steenson's perfectly placed cross-field kick found Foster in space out wide, the winger duly taking advantage to cross in the corner.

BBC: Exeter Chiefs 37-8 Bedford Blues

Kai Horstmann scored the only try of the game early on after collecting Drahm's cross-field kick.

BBC: Sale 15-22 Worcester