并用设计的供料装置对玻璃马赛克进行定向排列试验，结果表明，效果良好，有实用价值。
An experiment, to make directional arrangement of glass Mosaic with the designed feed device is conducted. The result shows that the device is effective and practical.
有一年，为了实现精确分组，德格拉卡在自家客厅地板上把标有学员名字及基本概况的索引卡摊了一地，试验了各种排列组合，最终使所有人员得到了均衡的分配。
One year, to get the study groups just-so, Ms. DeGraca laid out index CARDS with students' names and basic facts on her living room floor, mixing and matching until the groups seem balanced.
假如你刚刚开始，只记住了三个惯例同时想去试验。想好你排列他们的顺序。
If you're just starting out, have three routines memorized and ready to go. Decide what order you'll stack them.
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