经过多次试验，我们解决了独特长度的螺纹杆，通过椅子上的小切口用螺栓连接在一起。
After many tests, we settled on threaded rods of unique lengths that were connected by bolts through small incisions (ear-piercings) in the chair.
通过多次试验，使标题化合物达到92%的高收率。
Through many experiments the title compound was obtained in 92% yield.
通过多次试验确定啤酒和木糖醇的最佳添加量，使产品口感更细腻、爽口，营养更丰富，且具有特殊嗜好口感和保健功能。
Through many experiments to ascertain optimal addition of beer and xylitol. The final product tastes more fine and daintily, meanwhile, it also has more nutritious and hygienical function.
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