...er),如果焊道有 穿透性缺陷,则氨气从缺陷处漏出,与显示 剂接触起化学作用,使显示剂之颜色由黄转 为蓝,称为蓝点 (Blue Spot),如图8所示。观 察蓝点之位置及大小可以知道缺陷之位置及 大小。
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Blue spot ray 蓝点魟
unconverged blue spot 失聚蓝荧光点
blue spot in rabbit skin 兔皮肤兰斑试验
C-Laser Subsea Blue Spot Laser 海底激光扫描测量仪
Blue herbal spot treatment 蓝色草本暗疮修护胶
YELLOW-SPOT BLUE 黄斑小灰蝶
blue-white spot 蓝白斑
Blue Orange Spot It 蓝色橙魔它
Io and Ganymede are also visible in this image, the former a white spot near Jupiter's center and the latter a blue spot near the upper right.
木卫一和木卫三也是在这个图片可见,前一靠近木星的中心,后者是右上角附近的蓝点白点。
You can also click on any of the blue highlighted streets to delve directly into street View at that particular spot.
你也可以点击地图上任何一条用蓝颜色高亮标注的街道,直接进入某一点的街景模式。
Oil slicks are notoriously difficult to spot in natural-color (photo-like) satellite imagery because a thin sheen of oil only slightly darkens the already dark blue background of the ocean.
浮油出名的难以被发现在天然色卫星图像上,因为稀薄光泽的石油仅仅略黑于深蓝色的大海。
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