查询词典 depth of focus

line flyback：水平回描

line finder 寻线机 | line flyback 水平回描 | line focus 直线性焦点

Flypaper effect：捕蝇纸效果

"流程图","flow chart" | "捕蝇纸效果","flypaper effect" | "焦点团体","focus group"

principal focal distance：主焦距

principal direction 主方向 | principal focal distance 主焦距 | principal focus 主焦点

equivalent focal distance：等效焦距

等值宽度 equivalent breadth | 等效焦距 equivalent focal distance | 等效焦点 equivalent focus

equivalent focal length：等效焦距,等值焦距

equivalent flocculation 当量絮凝作用 | equivalent focal length 等效焦距,等值焦距 | equivalent focus 等值焦点

tangential focal line：切向焦线

tangential distortion 切向畸变 | tangential focal line 切向焦线 | tangential focus 正切焦点

sagittal focal line：弧矢焦线

sagittal field curvature 弧矢场曲率 | sagittal focal line 弧矢焦线 | sagittal focus 弧矢焦点

meridianal focal line：子午焦线

meridianal curvature of field 子午场曲 | meridianal focal line 子午焦线 | meridianal focus 子午焦点

focal plane：焦面

focal length ratio 焦距比 | focal plane 焦面 | focus of earthquake 震源

front focal plane：前焦平面

front focal length 前焦 | front focal plane 前焦平面 | front focus 前焦点

at end of the period：现金等值

期终之现金及 Cash and cash equivalents | 现金等值 at end of the period 175,863 56,036 | 现金及现金等值 Analysis of the balances of cash and

hemoglobinometer：血红素计

hemoglutination 血凝集<作用> | hemoglobinometer 血红素计 | hemoerythrin 血赤藓素