例句與造句

1. A research for a comprehensive evaluating index system for urban - afforestation - oriented tree seeds of shenyang
   沈陽(yáng)城市綠化樹種綜合評(píng)價(jià)指標(biāo)體系研究
2. In this thesis , we study the non - invertible linear finite autonomous automata and derive the following new results : 1 . a formula is given to count the number of the nodes of every level in a down - oriented tree of an autonomous automaton . then a necessary and sufficient condition is presented for the graph of an autonomous automaton to be an exact - equibranch down - oriented tree [ theorem 3 . 2 - 3 . 3 ]
   本文研究了布爾代數(shù)上非可逆的線性內(nèi)動(dòng)機(jī)，取得了下列成果： ( 1 )給出了線性內(nèi)動(dòng)機(jī)下向樹形中每一層節(jié)點(diǎn)的計(jì)數(shù)公式和下向樹是等叉下向樹形的判定條件[定理3 . 2 3 . 3 ] 。
3. It's difficult to find oriented tree in a sentence. 用oriented tree造句挺難的