To improve the validity of user identity authentication mechanism, a two-double authentication model integrating positive authentication mechanism and negative authentication mechanism was given.
为了提高用户身份认证的有效性，给出了一个集成肯定认证机制和否定认证机制的双层认证模型。
Two doubles, two double rooms, July 20th and 21st. Right?
四个人，两间双人间，日期是7月20日和21日，对吗？
Since technology is a double-edged sword, the development it brings and its potential threats are two sides of the same coin.
技术是一把双刃剑，因此它所带来的发展及其潜在威胁是紧密相关的。
Mobile telecommunications possession is expected to double in Shanghai this year as a result of a contract signed between the two companies.
由于两家公司签署了一项合同，预计今年在上海移动通信的占有量将翻一番。
While two of these ships sank, they were all designed with double hulls believed to make them "unsinkable", perhaps a mistaken idea that led to the Titanic's and the Britannic's tragic end.
虽然其中两艘沉船沉没了，但它们都是双层船体设计，这种双层船体被认为是“永不沉没的”，也许正是这个错误的想法导致了泰坦尼克号和不列颠号的悲剧结局。
The payroll survey can easily double-count someone: if you are one person with two jobs, you show up as two workers.
工资调查很容易把一个人重复计算进去：如果你是一个人同时做两份工作，你就会以两名员工的身份出现。
If I win the game, I'd like one grain of rice for the first square of the chessboard, two for the second, four for the third, and then double the amount for each of the rest of the squares.
如果我赢了，我想在棋盘的第一个方格里放一粒米，在第二个方格里放两粒米，在第三个方格里放四粒米，然后在剩下的方格里依次放两倍的米。
To illustrate this, suppose you have two double arrays a and b and want to create a third array x such that x=a+b.
为了展示这一点，假设您有两个双精度的数组a和b，并且要创建第三个数组x，比如 x=a+b。
The trend is that the number of transistors we can fit on a circuit will double every two years.
该定律认为我们能够在一块电路上放置的晶体管数量每两年会翻一番。
So it is easy to ignore the significance of the Numbers in question here: 154 - the equivalent of about two double-decker busloads.
因此，我们很容易忽略这里提到的数字有什么含义：154人——相当于两辆双层公交车的运载量。
If the cable has only two contacts, double-check that it's not frayed or loosened in any way.
对只有两芯的电缆，务必采用各种办法反复检查电缆是否磨损或者松脱。
The Arrow was over two tonnes in weight and was the length of two double decker buses.
这个箭头重超两吨，与两辆双层巴士的长度相当。
Now, if you arrive within two hours, you'll get double the value of your ticket, up to $650.
现在的规定是，如果在原飞抵时间后两小时之内到达，旅客可以得到两倍于机票值的赔偿款，最高可达650美元。
To simulate a hot summer day, he puts them behind two double-pane windows that look identical.
为了模拟夏天的环境，豪迪·苟迪将加热灯放在了双层玻璃窗的后面，这与夏天的室外条件一样。
His pitches stayed down, and he generated two double plays.
他的球保持投得低，他制造出两次双杀。
The villa incorporates two "Royal" suites with massage bed, outdoor shower and large bathtub as well as two double massage rooms for traditional massage treatments.
别墅包含两个“皇家”一四按摩床大型户外淋浴和按摩浴缸以及两个双室传统按摩疗法。
To run Windows 1.0, you needed a minimum of 256 kilobytes, two double-sided floppy disk drives, and a graphics adaptor card.
运行Windows1.0，要求最低256千字节、两个双面软盘驱动器和一个显卡。
Well, do you have any rooms with two double beds? We're a family of four.
那么，你们有没有一个大房间，然后有两张双人床的？我们是一家四口人。
The next two—float and double—represent floating-point numbers, again with different dynamic ranges.
随后的两种——float和double，代表了浮点型数，同样具有不同的动态范围。
The BufferStrategy class masks which of the two aforementioned double-buffering methodologies is used and lets you take advantage of any hardware-based buffering the system offers.
bufferstrategy类隐藏了使用的是上述两种双缓冲方法中的哪一种这一事实，并且它允许您利用系统所提供的任何基于硬件的缓冲。
Double Two-Headed Kingsnake, 1971.
1971年，一条双重双头王蛇。
The two largest are double-height galleries 34 metres long and ten metres wide.
2个最大2层结构有34米长，10米宽。
A four-wheeled carriage with a collapsible top two double seats inside opposite each other and a box seat outside in front for the driver.
四轮四座大马车带折叠篷的四轮马车，内有两个彼此相对的双人座位，外侧前部有供赶车人坐的包箱式座位。
In 1979 and 1985, however, other researchers reported no benefit for cancer patients taking high oral doses of vitamin C in two double-blind, placebo-controlled clinical trials.
但是，在1979年和1985年，两项双盲安慰剂对照临床实验的研究者报道说肿瘤患者口服高剂量的维生素C没有收到治疗作用。
Each room includes a king-size or two double beds, wireless Internet at a fee, and a safe box.
每一个房间都有一个特大号或两张床，一个无线上网，一个保险箱。
Our yacht was well equipped with two double cabins fore and aft.
我们的游艇设施完备，首尾有两个双人舱。
I want to book a room for several people, a room with a big bed, two double rooms, and how is the price?
我要预订一间多人房，一间大床房，两间双床房，这些房间是如何收费的？
The facility also has two double sliding glass doors off the main pool hall for sunbathing access to the park-side terrace.
整个水上中心还包括两道玻璃滑行门，以隔开用于日光浴的主泳池和靠近公园的部分。
The facility also has two double sliding glass doors off the main pool hall for sunbathing access to the park-side terrace.
整个水上中心还包括两道玻璃滑行门，以隔开用于日光浴的主泳池和靠近公园的部分。
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