词汇	拉窟窿
释义	拉窟窿 lā kū long〔coll.〕go into debt
随便看	fractional lever fractional life fractional-life method fractional linear combination fractional linear displacement fractional linear function fractional linear group fractional linear neural network fractional linear programming fractional linear recursive relation fractional linear recursive series fractional linearsubstitution fractional linear substitution fractional linear transformation fractional liner transformation fractional load fractional loading coil fractional Logisitic equation fractional lood fractional loss fractional lot fractional lower order fractional lower order cyclic correlation Fractional lower order cyclic statistics fractional lower order moment