4) adverse physical obstruction or conditions
不利的障碍和条件
5) drawback
[英]['drɔ:bæk] [美]['drɔ'bæk]
n.缺点;障碍;不利条件
6) barrier strips
障碍带
1.
Existence of solutions of boundary value problems for second order difference equations under barrier strips conditions;
障碍带条件下二阶差分方程边值问题的可解性
2.
The existence of solutions for the nonlinear third-order two-point boundary value problem x =f(t,x,x′,x″),t∈[0,1]x(0) =x′(0) =x″(1) =0,is discussedinthis paper,if functionf:[0,1]×R3→Ris continuous andsatisfies barrier strips conditions.
在障碍带条件下研究非线性常微分方程三阶两点边值问题x=f(t,x,x′,x″),t∈[0,1]x(0)=x′(0)=x″(1)=0,解的存在性,其中f:[0,1]×R3→R为连续函数。
3.
The existence of solutions for the nonlinear fourth-order three-point boundary value problemx(4)(t)=f(t,x(t),x′(t),x″(t),x′″(t)),t∈\x(0)=x′(0)=0x″(ξ)=x′″(1)=0,ξ∈\is studied in the paper under the barrier strips conditions by using a corollary of the Leray-Schauder theory,where f∶\×R4→Ris continuous.
在障碍带条件下,利用Leray-Schauder原理的推论研究非线性常微分方程四阶三点边值问题x(4)(t)=f(t,x(t),x′(t),x″(t),x′″(t)),t∈[0,1]x(0)=x′(0)=0x″(ξ)=x′″(1)=0,ξ∈[0,1]解的存在性,其中f∶[0,1]×R4→R连续。
补充资料：工程化学障碍物(见化学障碍物)
工程化学障碍物(见化学障碍物)
engineering-chemical obstacle
习U·上日、11匕I一9 nuQXue Zhang’aiwu工程化学障碍物(engineelsng一ehemiealobstacle)见化学障碍物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条