查询词典 block

It can block the passage of the air stream out of the mouth and let it go through the nasal cavity.

它可阻碍通过气流的口腔和让它通过鼻腔。

Also in the Ram Air Scoop, is a layer of foam to block water droplets and large dirt particles from entering the intake stream.

也在公羊铲子航空中，是泡沫的层使水小滴和大的污垢粒子不能进入摄取水流。

Japan's Fisheries Minister Hirotaka Akamatsu had earlier warned two security ships would be used to protect the whaling fleet, intervening when Sea Shepherd tried to block the transfer of harpooned whales to the factory ship Nisshin Maru.

日本渔业部部长赤松广隆曾警告道，日本会派出两艘自卫队船只保护捕鲸船，当"海洋守卫者"阻挠"日新丸"号捕鲸进度，他们将从中介入。

But because there is alack of effective finance support in our country, especially a block in the pipes of bank financing, it puts ties in the way of small-medium enterprise development.

但是由于缺少有效的金融支持，特别是银行融资渠道不畅严重制约了我国中小企业发展。

Your tour includes the ferry ride to Alcatraz Island and an audio walking tour of the 'Cell Block'.

您的游览包括乘渡轮到阿尔卡特拉斯岛和音频徒步旅行的'牢房'。

If you match up against Aldridge with a smaller player, he'll go down to the block.

如果小个球员和他对抗，他就拉到内线准备封盖。

We suspected that aleurone beta-amylase may serve as a lipase inhibitor to block phospholipase activity and delay the senescence of aleurone cells.

由於脂解酶可能有分解细胞膜的能力，所以beta淀粉酶对细胞膜也许有保护作用，使糊粉层细胞延迟进入细胞凋亡。

The complexity and the degree of the algebraic expression for the Sbox are symbols of resistance of block ciphers against the interpolation attacks.

插入攻击是一种针对代数式次数和复杂程度低的分组密码的攻击方法。

Chapter 1 gives a brief introduction to basic contents and methods of system identification and solutions of certain prob— lems met during the process of identificationIn chapter 2, the identification is accomplished by transforming the linear differential equation of a dynamic system into an algebraic form via block pulse functions .

第二章介绍采用正交函数BPF将含有未知参数的系统线性微分方程转化为代数向量方程求解，获取表征系统特性的传递函数或微分方程参数而达到辨识目的。

Chapter 4 presents five design criteria of S-boxes of block ciphers, develops a method of constructing large S-box by use of algebraic group operation, proves the balance property of these large S-box, tests the strict avalanche and independence of avalanche variables properties of S-boxes in NEA cipher, analyses the nonlinearity and best linear approximation of the S-box, and finally defines the differential of input/output of S-boxes of this cipher and analyses the distribution of them.

第二部分即第三章，提出了一种新的分组密码类NEA(NEA-4A，NEA-8A，NEA-4B，NEA-8B)，完整地描述了该密码类的加解密过程和密钥协议；证明了NEA-4B和NEA-8B的完全对合性和没有不动点的性质；分析了该密码类的安全特征；具体地介绍了实现该类密码的途径；给出了NEA-4A的计算机C语言程序和样本数据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。