The H-2A visa has no numerical cap, unlike the H-2B visa for nonagricultural work, which is limited to 66,000 a year.
与非农业工作的 H-2B签证（每年上限为是6.6万个）不同，H-2A 签证没有数量限制。
The H-2B program enables U.S. employers to bring foreign nationals to the U.S. to fill temporary nonagricultural positions for which there is a shortage of available workers.
H-2B计划让美国雇主能够招聘外国人到美国从事劳动力存在短缺的临时性非农工作。
As illustrated in figure 2b, a suddenly stretched film has a lower protein concentration and hence a higher local surface tension.
如图2b中所示，在突然拉伸的薄膜上，有一处蛋白质含量少而且局部表面张力大的地方。
TrES-2b may even represent a whole new class of exoplanet-a possibility Kipping and company hope to put to the test with Kepler, which has so far detected hundreds of planets outside our solar system.
TrES - 2b甚至可能代表了一类全新的外行星——基平和同事们希望用开普勒对这一可能性进行测试。到目前为止，开普勒已经在太阳系外发现了几百颗行星。
However, TrES-2b is not entirely black. Its extreme heat means it gives off a faint red glow.
尽管如此，TrES - 2b并非完全漆黑，炙热的高温意味着它可发出淡红色的光辉。
In this example, you would encode the string a + b as a%20%2B%20b.
在本例中，可以将字符串 a +b编码为a%20%2B%20b。
TrES-2b orbits its star at a distance of just 3 million miles (by comparison, we're about 93 million miles from our sun), which leads to surface temperatures on TrES-2b of more than 1, 800 degrees.
TrES - 2 b距它所环绕的恒星只有3万英里(相比而言，我们距离我们的太阳有93万英里)，这就使得TrES - 2 b表面温度超过1800度。
Watching TrES-2b and its star, Kepler detected only the slightest such dimming and brightening, though enough to ascertain that a Jupiter-size gas giant was the cause.
开普勒在观察TrES - 2b和它的恒星时，只发现了很轻微的光线明暗变化，不过足以确定一颗跟木星体积相当的巨大气体球就是原因所在。
Wal-Mart Stores Inc is awarding approximately $2b to its US hourly employees through financial incentives, after it gained market share amid a recession.
沃尔玛因在经济衰退中稳占市场份额，将以奖金激励的形式向其在美国雇佣的钟点工发放约20亿美元奖金。
Meanwhile, the very darkness of the new exoplanet suggests perhaps a catchier moniker for TrES-2b, Kipping said.
与此同时，这颗新的外行星的漆黑或许给TrES - 2b提供了一个更易于记住的名字，基平说。
The padding is terminated by a "00" byte. It's followed by "30 21 30 09 06 05 2B 0E 03 02 1A 05 00 04 14" which is the PKCS #1 v2.1 way of specifying the SHA-1 hash algorithm.
填充字节以“00”结束，后面跟的是"3021 300906052B0E03021A 05 000414"，PKCS #1v2.就是这样来指定SHA-1哈希算法。
Along with cell phones, other items in Group 2b include lead, traditional Asian pickled vegetables, coffee, certain food dyes and working as a firefighter or dry cleaner.
除了手机，2B类中其他物质包括：铅、亚洲泡菜、咖啡、某些食物染料还有救火员或干洗店员的工作环境等。
The E-2A was later upgraded to E-2B standard through the introduction of a (then new) programmable high-speed digital computer.
E - 2a以后被升级了到E - 2 B标准通过a(然后新)可编程序的高速数字计算机的介绍。
Wangyun 2B well is a production well in the top of Wangchang Oilfield structure.
王云2井是王场油田构造顶部的一口生产井。
In order to recover its production, it was determined to drilling a directional side tracking well Wangyun 2b well inside casings.
为了恢复王云2井的生产，确定在套管内开窗定向侧钻王云2B井。
The result shows that properties of ASY-2 finish can basically come up to that of XF-2B. It can replace the imported finish and will become a promising finish in our country.
经一定批量油剂纺丝应用试验，表明ASY-2的各项性能与XF-2B相接近，具有替代进口油剂，实现油剂国产化的推广应用前景。
Fig. 2b, each of whose time durations or pulse widths represents a group of m data bits, with the alternating high and low pulses representing successive groups.
图2B串，每个脉冲的持续时间或脉宽表示M个数据位的组，交替的高和低脉冲表示连续的组。
Whereas lower dose of VOCs mixture had a transforming effect, the high dose of the mixture caused BEAS-2B cell death.
且VOC混合物的急性毒性效应在高剂量时呈现细胞致死效应，较低剂量时呈现一种细胞转化效应。
The 2b-Signal flow graph is reduced to a state matrix flow graph, by means of which the state equations can be written out directly.
信号流图被化简为一种状态矩阵流图，籍助此流图状态方程可直接写出。
Now, why do we pray for the rulers? 2b, "… that we may lead a peaceful and quiet life, godly and dignified in every way. " Ah, we like this, peaceful and quiet life.
在第一、二节的下半段说「 好让我们可以敬虔庄重地过平静安稳的日子 」这是我们都喜欢的平静安稳度日，这也不就是我们追求的梦吗？
A discrete-variable or digital system has one or more variables known only at particular instants of time as in Fig. 2-2A-2b; the equations are difference equations.
离散系统或者数字系统，有一到两个变量只在特殊的时刻是确定的，如图2-2A-2b所示，其描述方程为差分方程。
A discrete-variable or digital system has one or more variables known only at particular instants of time as in Fig. 2-2A-2b; the equations are difference equations.
离散系统或者数字系统，有一到两个变量只在特殊的时刻是确定的，如图2-2A-2b所示，其描述方程为差分方程。
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