1) An external boundary;a circuit.
界线;周线
2) perimeter
[英][pə'rɪmɪtə(r)] [美][pə'rɪmətɚ]
n.周边，周界线
3) protection boundary
防火区周界线
4) Unbounded or periodic nonlinearities
无界或周期非线性项
5) boundary
[英]['baʊndri] [美]['baundrɪ]
界线
1.
Advances in the study of non-marine Jurassic-Cretaceous biostratigraphi cal boundary and candidate stratotype in Luanping basin,northern Hebei;
冀北滦平陆相侏罗—白垩系生物地层界线及候选层型研究进展
2.
The North Lancangjiang suture: the boundary between Gondwana and Yangtze?
北澜沧江带的性质——是冈瓦纳板块与扬子板块的界线吗?
3.
Kaili formation,located at Wuliu Zengjiayan section of Balang,Taijiang county,as a candidate section of GSSP for Lower Middle Cambrian boundary,is famous for its Middle Cambrian Kaili biota and Lower Cambrian Taijiang biota.
其中台江八郎乌溜 -曾家岩的凯里组含著名的中寒武世凯里生物群、早寒武世台江生物群 ,2 0 0 1年成为国际中 -下寒武统层型界线候选剖面。
6) Boundaries
[英]['baundri] [美]['baʊndrɪ]
界线
1.
The Compilation Aim and Design of The Atlas of County District Boundaries of Hubei Province;
《湖北省县级行政区域界线详图集》的编制与实现
2.
The boundaries and boundary markers presented in the boundary atlas must accord with the graphic requirement of attached drawing as well as the texts in the agreement.
界线详图集表示的界线、界桩要素既要符合协议书附图的图形要求,又必须与勘界协议书的文字描述一致,结合图集编制过程,针对界线、界桩图文一致问题作了一定的剖析。
补充资料：界线
界线
①相交区域的分界线。②组织器官占据的范围，如心界、肝界等。
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