The ideal rock sample is the conical surface rock sample that can joint crest of teeth in single row drilling experiment.
在单齿圈破岩试验中，理想的岩样是与牙齿齿顶线相贴合的锥面岩样。
It was possible to decrease of exclude the harm of cuscuta on soybean with a proper rotation, deep soil, broad row drilling and chemcial method.
采用合理轮作，深翻土壤，宽行条播并辅以优学方法可以减轻以致根除菟丝于对大豆的危害。
However, because of lacking high efficiency and high precision for the measurement of craters on the conical surface rock, the traditional single row drilling experiment is carried out on planar rock.
由于缺乏对锥面岩石破碎坑的有效的、高精度的测量手段，所以传统的单齿圈试验都是针对平面岩样进行的。
It points to the row of small holes on the left side that replaced the headphone socket present on the iPhone 6s and claims that drilling into the second hole on the left reveals a hidden socket.
手机左下方有一排小孔，正是iPhone6s耳机接口所在的位置。视频称电钻左侧第二个孔可显示出隐藏的耳机插孔。
It points to the row of small holes on the left side that replaced the headphone socket present on the iPhone 6s and claims that drilling into the second hole on the left reveals a hidden socket.
手机左下方有一排小孔，正是iPhone6s耳机接口所在的位置。视频称电钻左侧第二个孔可显示出隐藏的耳机插孔。
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