神马作文网A worker hits a metal pipe with a hammer .The ratio of the i
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A worker hits a metal pipe with a hammer .The ratio of the intensity of loudness as heard by people standing 100 meters away from the worker to the intensity as heard by people standing 200 meters away from the worker is________
.........本题为计算题.........
.........本题为计算题.........
以两个半径分别为100米和200米的球的表面积之比,应为4:1
A worker hits a metal pipe with a hammer .The ratio of the i
SAT2物理A worker hits a metal pipe with a hammer.The ratio of
If I Had A Hammer (The Hammer Song) 歌词
A breeze hits the tree.
英语翻译If I had a hammerI'd hammer in the morningI'd hammer in
The intrinsic value of a coin is the value of the metal it i
calculated the mass of a solid metal cylinder with a density
the ratio between A and
翻译:Here is a table with the metal
—_____is a man who works with metal. A. The smith. B. A smit
I am a worker,I work in the factory.
with the A of the