常見例句Tickets to PEL events are limited. 重要賽事限制項(xiàng)目的入場券數(shù)額有限。Irritant.May be a reproductive hazard.Typical PEL 100 ppm. 刺激性.;可能是一個(gè)生殖危害My English is not very good ,so I want to have a pen pel. 我的英語不是很好,因此我想有一個(gè)筆友。The ratio of the dimension of a pel array in the direction of the pel path to the pel path to the dimension on the direction of the line progression. 象素陳列在象素走向方向上的尺寸與在行進(jìn)向方向上的尺寸之比。Firstly,the space relativity of the pels in a frame is used to detect the object. 該方法首先用每一幀中像素的空間相關(guān)性檢測出目標(biāo);Pels points of cotton and other things are distinguished by adopting RGB color model. 采用RGB顏色模型,以色度為主要特征量,設(shè)定閾值對棉花和異物的像素點(diǎn)進(jìn)行判別。 返回 pels