Long working distance ob 长工作距离物镜
Long Working Distance objective 长工作距离物镜
Long working distance condenser 及长工作距离聚光镜
lens with long working distance [摄] 长工作距镜头
Featuring long working distance and excellent depth of field, it accommodates a wide variety of components for inspection.
工作距离长，景深深，可检测各种元气件。
Optimized result indicates that the dispersive objective based on the proposed configuration has small longitudinal aberration, a large ACA, and a long working distance.
光学优化设计表明，具有正负透镜分离结构的色散物镜可以得到低的球差和大的轴向色散，而且具有较大的工作距离。
The UHVDC power transmission possesses such advantages as high transmission capacity and long working distance, so its position can not be replaced in the electric energy flowing in the future.
特高压直流输电具有送电容量大、送电距离远等优点，在今后的能源流动中具有不可替代的地位。
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