《中華人民共和國(guó)長(zhǎng)江保護(hù)法》開始實(shí)施，并開始實(shí)行為期十年的長(zhǎng)江禁漁計(jì)劃，這對(duì)整個(gè)長(zhǎng)江流域生態(tài)恢復(fù)具有重大意義。如今“長(zhǎng)江大保護(hù)”已經(jīng)成為共識(shí)，也許未來(lái)，我們會(huì)看到越來(lái)越繁榮的長(zhǎng)江生態(tài)。針對(duì)嚴(yán)峻的環(huán)保形勢(shì)，把修復(fù)長(zhǎng)江生態(tài)環(huán)境擺在壓倒性位置，實(shí)施以“共抓大保護(hù)、不搞大開發(fā)”為核心理念的“長(zhǎng)江大保護(hù)”逐漸成為各界共識(shí)，國(guó)家推行長(zhǎng)江大保護(hù)的堅(jiān)定決心充分彰顯。長(zhǎng)江白鱘沒能趕上“長(zhǎng)江十年禁漁期”的良辰?！?span id="om0ym0u" class="hl">長(zhǎng)江十年禁漁”只是一個(gè)開始，在未來(lái)的日子里，我們能否通過(guò)自身力量

ng ZHU(朱長(zhǎng)江)?1.School of Mathematics,South China University of Technology,Guangzhou 510641,China2.School of Mathematics and Center for Nonlinear Studies,Northwest University,Xi’an 710127,ChinaE-mail:mahywen@scut.edu.cn;leiyao@nwu.e

jiang (孫長(zhǎng)江)and YUAN Xigang (袁希鋼)School of Chemical Engineering and Technology, Tianjin University, Tianjin 30007, ChinaBeijing Risun Chemical Technologies Institute Company Limited, Beijing 00070, ChinaA Two-step Design Method for