常見例句雙語(yǔ)例句Obstacle avoidance by ultrasonic sensor is a normal instrument, but phantom target may influence robot.超聲傳感器是移動(dòng)機(jī)器人避障常用的傳感器.但存在幻影的干擾。Due to non-uniform artifacts such as beam hardening, scatter, and volume averaging, the ideal reference phantom should be as close to the target tissue as possible.由于非均勻文物如束硬化,分散,體積平均的理想?yún)⒖蓟孟駪?yīng)接近目標(biāo)組織的。76616.comMethods Using a homogeneity water equivalent rectangular phantom, the dose gradients at the interface of target volume and normal tissue was evaluated under different scatter radii.方法采用均質(zhì)水等效矩形體模,在不同散射半徑條件下觀察靶區(qū)和正常組織界面上的劑量梯度隨散射半徑的變化。 返回 phantom target