例句與造句

1. By using the projective covering method and projective covering probability , fractal and multifractal dimensions of different types of landform sueface above are computed . results show that all the studied landform surface are not simple fractals , but multi - range scaling fractals , and the fractal dimensions increase with the landform type from basin to mid - low mountain and high mountain . nevertheless , different type landscapes perform different dq - q curve shapes . which the dq value has the widest range in the high mountain type , the second one is the mid - low mountain type , and then the basin type
   對(duì)不同時(shí)段地震形變場(chǎng)圖象多重分形特征的研究表明，震源區(qū)及近震源區(qū)強(qiáng)震前垂直形變圖象都出現(xiàn)信息維降低，多重分形譜曲線dq變陡，值域范圍變寬的特征，說明在強(qiáng)震前地殼垂直形變出現(xiàn)了局部化、不均勻性增強(qiáng)的行為，這些對(duì)地震預(yù)報(bào)都有重要的實(shí)際意義。
2. It's difficult to find projective cover in a sentence. 用projective cover造句挺難的