In two and one half d feature models , machining features can be recognized by means of feature recognition based on semantics 摘要针对二又二分之一要维特徵模型，应用基于语义的特徵识别方法实现加工特徵的识别。
Lobbyists for hedge funds want the threshold raised to a half and foreign and public pension - plan money removed from the cap 避险基金的说客们希望把阀值放宽至二分之一（资金比例） ，并且国外的和公众的养老金不计入内。
Since the work efficiency is 7 to 8 times higher than that of traditional methods , by now , nearly half of the check has already been completed 由于检测工艺比传统技术提高效率7 - 8倍,截止目前,己完成总检测量的二分之一左右。
Experimental results show that the proposed method can decrease the time overhead required by the training of a neural network 此时允许训练误差大小为真值置信区间长度的二分之一。试验结果表明该方法能减少神经网络的训练时间。
When the area that divides a hall inside the door and corridor exceeds 6 square metre , the 1 / 2 computation that can press its area is inside living space 当分户门内的厅和过道的面积超过6平方米时，可按其面积的二分之一计算在居住面积内。
Advantages to one - coat stucco include the speed of application allowing completion of the stucco in about one half the time required for a three - coat installation 单层灰泥的优点包括使用的速度,完成单层灰泥的时间是安装3层灰泥的二分之一
