1.In one heady week before the age of four, Tito learned to add and subtract numbers and compose words by pointing to numbers and letters written on a board.
在第托四岁前某个充满兴奋的一周之内，第托学会了数字的加减，以及藉由指向写在一块板子上的数字及字母，而拼出字来。
2.3.To compare multislice spiral CT to digital subtract pulmonary angiography for the detection of subsegmental pulmonary emboli by using a cast of porcine pulmonary vessels as an independent gold standard.
3．以肺动脉血管铸型标本为金标准，比较多层螺旋CT肺动脉造影、数字减影X线肺动脉造影对亚段肺动脉栓塞的显示能力。
3.To take away(a quantity) from another; subtract.
减少从…里拿走一定的量；减去
4.Based on tableau method, we present a feasible algorithm to check the consistency of KB, to extend, subtract, and change KB.
使用表推演方法，检查知识库协调性，对知识库进行扩展、约减和修正，给出可行方法。
5.The Operation is set to Subtract on this node.
在这个节点上操作设置为减操作。
6.At this age, you should be able to subtract one fraction from another.
在你这个年龄，你应该会演算分数减法了。
7.If you subtract 2 from 7, the result is 5.
7减2等于5。
8.Subtract with debit the balance of credit side, whether be that number turn over times, be fault of computation lending money so.
用借方减去贷方的差额，是否是那笔数字的翻倍，那么就是借货计算错了。
9.The paper gets some information about the outlines, velocity, areas, and change of gas films and internal contracts of balls in different sizes by using subtract operation, binary image, fill holes of images, and so on.
通过利用差影算法减少背景噪声、图像的二值化处理和填充处理、气泡特征分析、气泡中心坐标的确定等得到两相流中气泡、液滴和颗粒的尺寸和运动速度以及气膜分布等两相流重要参数。
10.Subtract the number in Step 2 from the number in Step 1.
用第一步中数字减去第二步的数字。
