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【单选题】
稳态时普通玻璃对波长大于 2 μ m的红外线
A.
几乎是不透过的
B.
几乎是黑体
C.
几乎是白体
D.
几乎是透明体
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题目标签:
对波长
普通玻璃
红外线
参考答案:
参考解析:
刷刷题刷刷变学霸
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【单选题】Even plants can run a fever, especially when they are under attack by insects or disease. But (71) humans, plants can have their temperature (72) from 3,000 feet away—straight up. A decade ago, (73) t...
A.
as
B.
with
C.
like
D.
unlike
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【单选题】消防用红外热像仪是利用红外线成像原理,通过( )实现成像的设备。
A.
环境温差
B.
环境红外线强度
C.
环境色差
D.
环境可视度
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【单选题】在明视条件下,人眼对波长为555nm的( )最敏感。
A.
红色
B.
蓝色
C.
绿色
D.
黄绿色
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【单选题】Even plants can run a fever, especially when they are under attack by insects or disease. But (71) humans, plants can have their temperature (72) from 3,000 feet away—straight up. A decade ago, (73) t...
A.
seeming
B.
clear
C.
apparent
D.
visible
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【单选题】Even plants can run a fever, especially when they are under attack by insects or disease. But (71) humans, plants can have their temperature (72) from 3,000 feet away—straight up. A decade ago, (73) ...
A.
of
B.
in
C.
for
D.
on
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【判断题】在暗视觉下,人眼对波长507nm色光的敏感度最高。
A.
正确
B.
错误
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【单选题】下列属于红外线应用的是
A.
杀菌
B.
监测森林火情
C.
使日光灯管发光
D.
促进人体维生素D合成
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【单选题】Even plants can run a fever, especially when they are under attack by insects or disease. But (71) humans, plants can have their temperature (72) from 3,000 feet away—straight up. A decade ago, (73) ...
A.
where
B.
which
C.
how
D.
when
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【单选题】Even plants can run a fever, especially when they are under attack by insects or disease. But (71) humans, plants can have their temperature (72) from 3,000 feet away—straight up. A decade ago, (73) ...
A.
adopted
B.
adopting
C.
adapted
D.
adapting
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【多选题】煤气红外线解冻库的特点是().
A.
解冻时间短
B.
化冻厚度大
C.
车辆损坏小
D.
维修量小
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