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In chapter 2, we prove that sn—first countable spaces are preserved by the finite subsequence-covering mappings.By this result, we prove that the finite subsequence-covering, quotient mappings preserve g—metrizable spaces, also prove that the finite subsequence-covering, closed mappings preserve sn—metrizable spaces, g-metrizable spaces, metrizable spaces, point-countable bases.

在第二章中，我们主要证明了有限子序列覆盖映射保持sn-第一可数空间，作为它的应用，又证明了有限子序列覆盖、商映射保持g-第一可数空间，也证明了有限子序列覆盖闭映射保持sn-度量空间，g-度量空间，度量空间，点可数基。

Is preserved in the Metropolitan Museum of Art.

赵是一名军官，他是皇帝宋太宗的年轻兄弟的一个了不起的子孙。

Following the demise of large-scale Carnival celebrations in Venice, the pre-Lenten revelry reminiscent of the common people of the Middle Ages (Lent is a 40-day period of penitence culminating with Easter)-- characterized by mischief-making, clamorous dancing in the streets, egg throwing, flour dousing and other activities -- was preserved only in small fishing villages on the periphery of the city. Come that season, villagers would decorate their streets in gaudy array.

盛大规模的威尼斯嘉年华消失之后，每年斋戒月前的狂欢活动便回复到中世纪时的庶民格局，戏谑、胡闹的当街跳舞、丢鸡蛋、洒面粉这些节令活动，只存在威尼斯周边的小岛渔村，每逢斋戒月前，村民便将村子妆点得五彩缤纷；威尼斯北方的离岛布拉诺便是这样一个保存嘉年华庆祝习俗的小岛。

The Beijing School literature,set in the cultural milieu of"Beijing",vividly pictures how the rural areas in China have preserved their dignity under the impact of modernness.

京派的背景是"北平"文化社会，反映乡村中国在现代化冲击下保持自重并不断发生反观现代人性缺失的深长忧虑。

This is one which his sister overheard one evening and preserved: I did not think that it was so monstrous.

只专心注意上帝的法则而不关心人的法律，那是错误的。

The magmatic sequence includes, from older to younger, early-stage granite and monzonite , tonalite (with preserved amphibolite enclaves), trondhjemite, basic dyke swarm and quartz monzonite sills.

目前除斜长角闪岩包体和基性岩墙群尚未获得同位素年龄外，其他各期侵入体均已获得单颗粒锆石U-Pb测年数据。

Water is easily preserved in the pores and forms the undercompaction of the mudstone layer .

泥质岩层中的孔隙水在向外排运的过程中遵循低速非达西流动规律。

Alas, the mummification had worked; the genetic materials had been preserved and could be recovered in present time.

令人高兴的是，木乃伊化的做法的确有效，相关的遗传物质一直受到保护并能在今天被恢复过来。

If, at the end of the war, the scientific organization, which had been created in order to liberate men for fighting and munition work, had been preserved, and the hours of the week had been cut down to four, all would have been well.

如果战争结束时，将人解放出来以便参与战斗和制造军火的那些科学的生产组织能保存下来，把每天的工作时间减到 4小时，一切都会好好的。

Today what remains of the original castle is preserved as a museum piece and a home for military relics .

今天，城堡遗迹被保护起来，作为博物馆和军事遗址所在地。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。