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Perspectives on Innovation in Physical Geography

Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 36; PART 4, ; 2000, 576-582 -- PEKING UNIVERSITY PUBLISHER (pages 576-582) -- 2000

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Historical Experiences of Cropland Conservation and Land Management in Japan

Sun, Q.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 44; PART 2, ; 2008, 249-256 -- PEKING UNIVERSITY PUBLISHER (pages 249-256) -- 2008

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Security Evaluation of Land Ecology in Hebei Province

Li, Y.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 43; PART 6, ; 2007, 784-789 -- PEKING UNIVERSITY PUBLISHER (pages 784-789) -- 2007

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GIS-Based Analysis on Spatio-Temporal Change of Groundwater Level in the Hebei Plain

Xu, Y.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 41; PART 2, ; 2005, 265-272 -- PEKING UNIVERSITY PUBLISHER (pages 265-272) -- 2005

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ANote On Harmonic Functions (English)

Cai, Y.; Li, F.

Beijing da xue xue bao. Zi ran ke xue. VOL 43; PART 3, ; 2007, 296-298 -- PEKING UNIVERSITY PUBLISHER (pages 296-298) -- 2007

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Research of Runoff's Feature and Impact Factors in Multiple Dimensions Based on Wavelet Analysis: A Case Study on Tongtian River

Liu, X.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 50; PART 3, ; 2014, 549-556 -- PEKING UNIVERSITY PUBLISHER Part 3; (pages 549-556) -- 2014

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Using Contingent Valuation Method to Value Environmental Resources: A Review

Zhang, Y.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 41; PART 2, ; 2005, 317-328 -- PEKING UNIVERSITY PUBLISHER (pages 317-328) -- 2005

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Research of Runoff's Feature and Impact Factors in Multiple Dimensions Based on Wavelet Analysis: A Case Study on Tongtian River

Liu, X.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 50; PART 6, ; 2014, 3-549-3-556 -- PEKING UNIVERSITY PUBLISHER Part 6; (pages 3-549) -- 2014

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Adaptive CDMA Matched-filtering Receiver

Cai, Y.; Liu, T.

Beijing da xue xue bao. Zi ran ke xue. VOL 34; NUMBER 5, ; 1998, 670-680 -- PEKING UNIVERSITY PUBLISHER (pages 670-680) -- 1998

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Study on Land Ecological Assessment Based on GIS in Village Scale: A Case Study of Yan Ba Village in Jiangjin, Chongqing

Cheng, W.; Wu, X.; Cai, Y.

Beijing da xue xue bao. Zi ran ke xue. VOL 48; PART 6, ; 2012, 982-988 -- PEKING UNIVERSITY PUBLISHER Part 6; (pages 982-988) -- 2012

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Results 1 - 10 of 40  for Everything in this catalogue

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  1. Cai, Y  (13)
  2. Cai, X  (13)
  3. Liu, X.  (3)
  4. Kang, L.  (3)
  5. Chen, J  (3)
  6. Song, Y  (3)
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  8. Cai, H.  (2)
  9. Sun, Q.  (2)
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