技术领域 | 件数 | 占比 |
总量 | 306 | 100% |
Y02B | 75 | 24.5% |
Y02C | 7 | 2.29% |
Y02E | 56 | 18.3% |
Y02P | 47 | 15.36% |
Y02T | 54 | 17.65% |
Y02W | 67 | 21.9% |