大: big; large视野: field of vision not in power ...效: effect; efficiency; result区: H region; H大视野: high coverage有效区: coverage area; service area; valid zone超广角,大视野: ultra-wide field放大视野: magnification field扩大视野: expand one's horizons最大视野: maximum visual fields大视野照相机: large field of view camera安全区, 有效区: safe area电有效区: television coverage发射有效区: transmitting coverage雷达有效区: radar cross-section有效区间: significant interval有效区域: effective coverage有效区域(电波): service area绝对视野,最大视野: maximum visual field蛋白质有效区: active patch of protein覆盖 敷层 有效区域: coverage大视野广角目镜: wide field-of-view eyepiece大视野闪烁照相机: wide-field anger scintillation camera最大有效功: maximum effective work最大有效量: maximal effective dose
