Reported the new devolopment of ceramic neutron tube with drive-in target, introduced the key technique and characteristics of long work time and average workinglive of the tube.
Going up one more floor, visitors can see a working beehive, live snakes, stuffed fish and birds, and many other displays of Kansas plants and animals.
再往上一层，游客可以看到一个工作的蜂箱，活蛇，填饱了的鱼和鸟，还有许多堪萨斯州的植物和动物。
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What's most surprising is that 26% of them live in households where at least one adult is working.