strongly hyperbolic
| differential operator
| strongly hyperbolic | |
| math. од. | 强双曲 |
| differential operator | |
| avia. | 微分算符 |
| space | 差分算子 |
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| ★ 强双曲型的 | |||
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strongly hyperbolic : 1 phrase in 1 subject |
| Scientific | 1 |