Additionally, Dragon Runner SUGV, gives operators field-changeable frequency capabilities, using analogue or digital radio options.
此外，通过模拟或数字无线电选项，“龙信使”可以为操作人员在野外环境提供可变频通信能力。
Two methods and devices which are changeable aperture and movable aperture for measuring the mode-field radius of single-mode optical fibers are presented.
介绍两种快速测量单模光纤模场半径的方法及其测量装置——可变孔径法和移动圆孔法；
Field trials are complex and changeable for field conditions, research is relatively weak.
田间试验则由于现场条件复杂多变，相关研究比较薄弱。
The utility model belongs to the toothbrush packing box field and relates to a brush head-changeable toothbrush packing box. The utility model comprises a soleplate and a cover.
本实用新型属于牙刷包装盒领域，涉及一种可更换刷头的牙刷包装盒。
The field experiment shows that when target is changeable or covered by other objects, the system can still extract the target exactly and keep tracking steadily.
外场实验表明，利用该方法能在目标变化和有物体遮挡干扰的情况下准确提取目标，并保持连续稳定的跟踪。
The field experiment shows that when target is changeable or covered by other objects, the system can still extract the target exactly and keep tracking steadily.
外场实验表明，利用该方法能在目标变化和有物体遮挡干扰的情况下准确提取目标，并保持连续稳定的跟踪。
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