As we have SWT widgets inside our shell and we intend to use a gradient background on the shell itself, all the widgets need to be transparent.
由于我们的SWT组件在shell内部并且我们打算对shell本身使用渐变背景，所有的组件都必须是透明的。
So how do we get a gradient background on a shell?
那么如何在shell上得到渐变的背景色呢？
For convenience, the shell keeps track of all background processes it spawns. Type jobs to see a list.
为了方便起见，shell会持续跟踪它生成的所有后台进程。
You use nohup to run a command in the background, and you use source (.) to run read commands from a file and run them in the current shell.
您使用nohup来在后台运行命令，并使用source(.)从文件运行读取命令，并在当前的shell中运行这些命令。
Timing of this type is always subject to some variation, so the import command to grab the clock image is run in the background, leaving the main shell free to keep time.
这种类型的计时总是会发生变化，因此将获取时钟图像的import命令放在后台中运行，从而避免使用主要的shell脚本跟踪时间。
Because the child process is running in the background, control returns to the shell as soon as the parent dies.
由于子进程在后台运行，父进程一终止，控制即返回到Shell。
BACKGROUND: Current ultrasound contrast agents contain micro-bubbles with different gas composition, and the majority of shell materials are surfactant, human blood proteins, lipids and so on.
背景：目前所用的超声对比剂均为内含不同气体成分的微气泡，其外壳材料多数为表面活性剂类、人血蛋白质类、脂类等。
In addition, with the background that the regulators are restraining market speculation, private equity chief Xin Yu also withdrew from a number of shell stocks.
此外，在监管层抑制市场投机性炒作的背景下，私募大佬辛宇也从一批壳股中撤回。
Based on practical engineering background, the string-bow pre-stressed latticed shell structure is proposed and applied to large-span indoor coal storage yard design for the first time.
结合实际工程背景，提出了新颖的弦弓式预应力柱面网壳结构，并应用于大跨度电厂干煤棚结构中。
Just because of above - mentioned background, I attempt to set foot in and borrow relevant question on the utilization of shell resource.
正是基于上述背景，笔者试图涉足借壳上市的有关问题进行有意义的探讨和研究。
Just because of above - mentioned background, I attempt to set foot in and borrow relevant question on the utilization of shell resource.
正是基于上述背景，笔者试图涉足借壳上市的有关问题进行有意义的探讨和研究。
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