|
|
| Abstract |
|
| Key words： |
|
Received: 2000-11-17;
|
|
Cite this article: |
|
$author.xingMing_EN,$author.xingMing_EN. [J]. Modern Physics, 2001, 13(02): 32-33.
|
| [1] |
. [J]. Modern Physics, 2001, 13(04): 38-40. |
| [2] |
. [J]. Modern Physics, 2001, 13(03): 42-43. |
| [3] |
. [J]. Modern Physics, 1997, 9(01): 39-40. |
|
|
|
