cross-section investigation

常見例句

Methods A cross-section epidemiological investigation was carried out in 152 gem processing factories and(4 591) gem processing workers in Guangdong.
方法對152家寶石加工廠和4 591名寶石加工工人進(jìn)行矽肺橫斷麪流行病學(xué)調(diào)查。
Vehicle real driving investigation comes up with time section cross method, and uses advanced instruments such as non-contacted speed sensor with tracking filter etc.
車輛行駛狀況路上調(diào)查採用分時段交錯法進(jìn)行，竝使用具有高精度的可跟蹤濾波的非接觸式速度傳感器等先進(jìn)設(shè)備採集數(shù)據(jù)。