您要查找的是不是：
- 倒U型假说 Inverted-U Hypothesis
- “倒U”型假说 hypothesis of inverted-U shape curve
- 倒U假说 Inverted-U-Type Hypothesis
- 交叉型假说 chiasmatype hypothesis
- 倒U型特征 converse U type characteristic
- 节约表型假说 thrifty phenotype hypothesis
- 倒U曲线 inverse U curve
- 部分交叉型假说 partial chiasmatypy hypothesis
- 户型 house type
- “倒U”理论 invert "U" theory
- 笔型 pen type
- 倒出 swill
- 倒掉 outwell
- 整型 integer
- 倒档 reverse gear
- 运动型 motile
- 倒钩 barb
- 表型 phenotype
- 翻倒 overturn
- 外型尺寸 external dimension
