新生儿破伤风的临床特征为______________________、________________________。
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The Coordinator Surface Search（CSS）in a SAR situation should display by night（）.
A. Deck lights forward and aft
B. A white light over two red lights
C. A red light，white light，and blue light in a vertical line
D. A distinctive signal promulgated by the CSS
涂料粘度太高或太低是涂料本身造成的，人为无法解决这些问题。
A. 正确
B. 错误
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