open cover
英 [ˈəʊpən ˈkʌvə(r)]
美 [ˈoʊpən ˈkʌvər]
承保单；预约保（险）单；预约再保险；预约保险合同; 缩略词为OC
双语例句
- First, the local variational principle of a finite open cover is established in this setting, which can be used to obtain the classic variational principle by some standard arguments.
首先，我们对它建立有限开覆盖的局部变分原理，并由此简洁地得到了可数离散amenable群作用动力系统的经典变分原理。 - We get a criterion for the scattering property, and characterize mild mixing and strong scattering using the complexity function of an open cover along some infinite nets.
得到了群作用是扩散的一个判别准则；利用开覆盖沿无限网的复杂性函数的无界性刻画了群作用的mild混合和强扩散。 - It is shown that, for a given open factor map between minimal dynamical systems, the factor map is positively equicontinuous if and only if each open cover has a bounded relative complexity function.
我们证明了：对于极小动力系统间的开因子映射，它为正向等度连续扩充当且仅当每个开覆盖具有有界的相对复杂性函数。 - Hello, distinguished leadership: When you open the cover letter when, for me is my life opened a door of hope.
尊崇的指导您好：当您翻开这份自荐信的时分，关于我来说是为我的糊口翻开了一扇但愿之门。 - A space X is nearly metacompact if and only if every monotone open cover U has an open refinement that is point-finite on some dense subset of X;
空间X是几乎亚紧的当且仅当X的每一单调开覆盖U有一个开加细，且在X的某一稠密子集上是点有限的； - Than I open the cover carefully and slip in.
然后，我小心亦亦的打开棺盖滑了进去。 - This paper analyses the characteristics of all kinds of open cover and the rights and obligations of the parties, and suggested revision opinions pertaining to open cover are put forwarded.
文章结合英国最新权威判例，分析了各种类型预约保险合同的特征和当事人的权利义务，提出《海商法》中预约保险制度需进一步完善之处。 - Don't open the cover of the device to prevent from electrical shock or device being damaged.
请勿将机器的盖子打开以防电击或损坏机器。 - The mutation from Arg to His at 229 may decrease the effect of cover formed by cc-helix and is good for the open of cover. The effect of interface activation was more easily occurred and thereby the enzyme activity was increased.
229位Arg突变成His，可能对α-螺旋结构形成的盖子的作用力减小，有利于盖子的打开，容易发生界面激活作用而提高酶活。 - Countably metacompactness are characterized in terms of semi open cover, point wise W refinement, monotonically increasing cover and cushioned refinement.
利用半开复盖、定向开复盖、单调递增开复盖、点态W加细和垫状加细等刻画了可数亚紧性。