A cluster of magnetically aligned atoms in a magnetic materi

what`s the difference between cluster sampling and multi-stage sampling?

为什么不是A呢?
22.x05In his cluster of poems called Leaves of Grass,____ gave America its first genuine epic poem.
A.x05Edgar Allan Poe
B.x05Walt Whitman
C.x05Emily Dickinson
D.x05Henry Wadsworth Longfellow

英语的选词填空题
fleet herd cluster flight
swarm deck flock board
1.The kitten plays happily with a ball of knitting wool.
2.The First Lady was presented with a _ bouquet __ of flowers after she had given away the prizes.
3.The magician took out a ____ of cards and performed several card tricks.
4.The little boy slipped and fell down a ____ of steps.
5.The school is managed by a ____ of eight directors.
6.After they change to the southeastern course,a ____ of fishing boats came into view.
7.He had one black lamb in his ____ of sheep and he liked it best.
8.The teacher pointed to a ____ of islands on the map and asked the class for the name.
9.The boy plunged into the river to escape from the ____ of bees pursuing him.
10.Every morning he drives his small ____ of cattle to the hill to graze.
可选词里本来有个ball 和bouquet，不过我自己做的时候把它们分别填入了第一题和第二题中，如果对的话没事，如果不对请帮我改下好吗

英语翻译
Thecluster that has done this work for some years uses an
integrated set of supercomputing,visualization,and data-management technologies
to deliver roughly 400 teraflops of capacity:这里 to deliver roughly 400 teraflops of capacity该怎么翻译?提供约400万亿次浮点运算的能力,这样翻译对么?

lift的意思
a cluster of grave,yet cheerful,flowers on a deeper purple ground was pronounced very appropriate and pretty ,and she worked away early and late ,with occasional lifts over hard parts.
其中的lift怎么解释呢,这是在做鞋,lift也有鞋跟材料的意思,但是还是不会解释

硬盘格式化出现failed to format NTFS due to too many bad cluster
之前将硬盘格式化出现了错误.再次格式化时出现上面的错误,硬盘有时候也读不出来.也不能格式化,怎么能够修复?

英语翻译
Mr.Baber Ali / Mr.Diaz
1) P1 2 CLUSTER W/S 3 WAY CLIP SAME AS SAMPLE = 18 PCS
2) P1 2 CLUSTER W/S FULL FITTINGS = 2 SETS
3) CT 01 RECEPTION DESK LEG BOTTOM BUSH = 6 PCS
4) CT 01 RECEPTION DESK TOP GLASS = ONE PC.
The above item need very urgent.
* P1 w/s clip they sent wrong type (photo - 3) against our special order for spare parts.
* P1 W/S partition big glass instead of 2 they sent only one .one I am making locally.
* CT 01 pin fix on the glass top not in correct position (reported earlier) due to this the pin is detaching from glass at the time fo fixing one glass chipped 6 area of pin cant re-fix the pin on it.
好的 大概意思就是客户对于以前出口的家具做一个反馈 有一些零部件 需要补充
不要给我谷歌有道翻译的那种 我自己也会

操作系统考研试题
现有容量为10GB的磁盘分区，磁盘空间以簇（cluster）为单位进行分配，簇的大小为4KB，若采用位图法管理该分区的空闲空间，即用一位（bit）标识一个簇是否被分配，则存放该位图所需簇的个数为
A.80 B.320 C.80K D.320K
答案是多少？我算出来的是A不知道对不对？有人说答案是C，如果是C的话求解析过程。

英语翻译
Pooled and cluster tables are characterized by the fact that several tables logically defined in the ABAP Dictionary are combined in a physical database (table pool or cluster).
要全句的完整翻译。

英语好的进来看看
翻译
Cluster Identifier
This is a reference to an enumeration of clusters
within a specific application
profile or collection of
application profiles.The
cluster identifier is a 16-bit
number unique within the
scope of each application
profile and identifies a
specific cluster.Conventions
may be established across
application profiles for
common definitions of cluster
identifiers whereby each
application profile defines a
set of cluster identifiers
identically.Cluster identifiers
are designated as inputs or
outputs in the simple
descriptor for use in creating
a binding table