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- P次椭圆算子 p-subelliptic operator
- 退化P-次椭圆算子 degenerated p-sub-elliptic operator
- 次椭圆p-Laplace算子 subelliptic p-Laplacian
- 椭圆挠线|三次椭圆 cubical ellipse
- 非齐次椭圆方程 nonhomogeneous elliptic equation
- 椭圆算子 elliptic operator
- 强椭圆算子 strongly elliptic operator
- 我们每年合家团聚一次。 Our family has a yearly reunion.
- 亚椭圆算子 hypoelliptic operator
- 这里的农民一年播一次种子。 The farmers here sow once a year.
- 我们每周下两三次棋。 We played chess two or three times weekly.
- 这次考试之难出乎我的意料之外。 The exam was more difficult than I had bargained for.
- 退化椭圆算子 degenerate equation
- 我每天刷牙两次。 I brush my teeth twice a day.
- p-亚正常算子的本质谱与拟相似 Essential Spectrum of p-Hyponormal Operators and Quasisimilarity
- 这趟上山是一次艰难的跋涉。 It was a hard trudge up the hill.
- 我每年进一次山。 I make a yearly trip to the mountains.
- 关于含临界指数的p-平均曲率算子 On p-mean Curvature Operator with Critical Exponent
- 这条船在一次风暴中失事了。 The ship was wrecked in a storm.
- 一致椭圆算子 uniformly elliptic operator
