The weed killing device comprises a fibre material which sucks up weed killer preparation by capillary action. When the device is pulled over the ground on which weeds are growing, the herbicide is pressed out of the fibre material and transferred to the weeds. In order to provide an ...
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(2)根据后句This kind of robot can cut weedkiller use by 90%.(这种机器人可以减少90%的除草剂用量。)可知说的是机器人,结合选项,应说"但科学家们已经创造了一个农场机器人。"故选A。(3)根据后句Several cameras are built into the robot.The cameras facing the ground take phot...
Banning a Weedkiller: No Middle Ground; High-Stakes Battle Between Farmers and EPA Raises Wider IssuesCynthia Gorney
VANDALS used weedkiller to burn a protest against FC United'smove to Moston into the turf of...Keegan, Exclusive Mike