poll
美[poʊl] vt.得到（一定数目的）选票；对…进行调查；修剪；修剪
vi.投票；作民意调查
网络调查；投票；民意测验；后头部
1 . He will have been heartened by the telephone opinion poll published yesterday.
他会为昨天公布的电话民意调查结果感到鼓舞。
来自柯林斯例句
2 . The poll canvassed the views of almost eighty economists.
民意调查征询了将近80位经济学家的意见。
来自柯林斯例句
3 . Labour was top of the poll with forty-six percent.
工党以46%的得票数高居首位。
来自柯林斯例句
4 . An independent opinion poll published today shows growing discontent with the government.
今天发表的一项独立民意测验表明民众对政府的不满正与日俱增。
来自柯林斯例句
5 . A national poll shows the presidential race in a dead heat.
一项全国民意调查显示总统竞选相持不下。
来自柯林斯例句
1.an inquiry into public opinion conducted by interviewing a random sample of people
2.the top of the head
3.the part of the head between the ears
4.a tame parrot
5.the counting of votes (as in an election)
1.get the opinions (of people) by asking specific questions
2.vote in an election at a polling station
3.get the votes of
4.convert into a pollard;
pollard trees
函数 Linux中的字符设备驱动中有一个函数 unsigned int (*poll)(struct file * fp, struct poll_table_struct * table) 此函数在系统调用select内部被使用，作用是把当前的文件指针挂到设备内部定义的等待 队列中。这里的参数table可以不考虑，是在select函数实现过程中的一个内部变量。 函数具体实现时： wait_queue_head_t t = ((struct mydev *)filp->private_data)->wait_queue; poll_wait(filp, t, table); return mas