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We calculated the bending moment and bending stress in certain conditions.

计算了在一定工况下的下部钻具组合弯矩和弯曲应力的分布情况。

The shear and bending moment of beam cross-section were calculated by the internal function of Excel.

根据Excel的内置函数求梁在横截面上的剪力和弯矩。

Oscillation occurs when bending moment is calculated with displacement, and the result is not reliable in certain condition.

使用位移计算弯矩会出现振荡现象，在一些情况下其结果是不可靠的。

Materials and Methods:236 pathology-confirmed breast lesions(155 malignanty,81 benignancy) and 221 disease-free contralateral breast tissues were examined using EPI-DWIb values=0,1000 s/mm~2TR/TE=8400ms/93.8ms; FOV=30×30cm;matrix=128×128;ASSET=2,slice thickness=4mm.DCE-MR imaging was also performed for accurate location of the lesion using VIBRANT sequence.The mean ADC values of malignant and benign lesions and the disease-flee contralateral breast tissues were calculated from the ADC map for each patient.One-way analysis of variance was applied to compare the mean ADCs of malignant lesions with benign lesions and disease-flee contralateral breast tissues.The threshold ADC value for malignant lesion was determined using a receiver operating characteristic(ROC curve analysis.Each lesion was classified into two major types:mass and non-mass lesion.The diagnostic performance of DWI was compared in breast mass and non-mass lesions.Results:155 malignant and 81 benign lesions were confirmed in 236 lesions.

材料与方法：搜集术前行乳腺MR检查并经穿刺或手术病理证实的236例乳腺病变，以对侧正常乳腺腺体作为正常对照，采用横轴位的平面回波-扩散加权成像序列，TR=8400ms，TE=93.8ms，层厚=4mm，激励次数=2：视野=30×30cm，矩阵=128×128，ASSET=2，b值=0和1000s/mm~2；参考动态增强图像准确定位，测量病变区和对侧正常乳腺腺体的ADC值，应用t检验比较良、恶性病变及正常腺体ADC值的差异，采用接收者工作特征曲线(receiver operating characteristic curve，ROC)确定良恶性病变的ADC界值；根据BI-RADS MRI将乳腺病变按照形态学表现分为肿块性病变和非肿块性病变两组，比较ADC值在肿块和非肿块性病变中定性诊断的效能。

Results show 1 the total water requirement of the crops in the Jinghe Watershed is 740543.20×10^4 m^3, accounting for 41.58% of the total water requirement of the region; 2 of the two major groups of crops, grain crops are higher than cash crops in water requirement quotas; and among specific crops, vegetables, melons, rice and cotton are higher and sunflower, potato and benne are lower than other crops; 3 water requirement per hectare varies from county to county with the highest being 5682m^3hm^(-2), in Jingyang County, and the lowest 4022 m^3hm^(-2) in Dingbian County, averaged to 4 583 m^3hm^(-2), but the water requirement quota of a crop does not vary with the county, so calculation of water requirement quota of a county is closely related to its cropping structure; and 4 because of serious waste of water in farming, the actual water consumption in agriculture in the region is much higher than the calculated crop water requirement.

结果表明，泾河流域农作物需水量总计740543.20万立方公尺，农作物需水占总需水量的比例较高，为41.58%。粮食作物需水定额较经济作物高；就具体作物而言，菜、瓜类、水稻、棉花等需水定额较高，向日葵、薯类、胡麻等较低。各县单位面积需水量差异较大，平均值为4583立方公尺hm^(-2)；泾阳县最高，为5682立方公尺hm^(-2)，定边县最低，为4022立方公尺hm^(-2)。由于事先设定大多数作物的需水定额不随县的改变而改变，因此需水量与作物结构密切相关。农业用水浪费严重，使泾河流域农作物实际用水量远高于需水量的理论计算值。

The benthos resource function in ecosystem of the Yangtze River Estuary was primarily discussed and we estimated and calculated their products value for the first time.

本文还对底栖动物在长江河口湿地生态系统中的资源功能做出了初步探讨，并首次估算出其物质产品价值。

Apply to the function of SNR, the BER of system based on three schemes were analyzed and calculated.

应用建立的信噪比关系，分析和计算了基于三种不同方案的系统的误码率。

The true shape of the hull can be considered by distributing dipoles on the hull surface.The pressure fluctuations on hull surface can be calculated through Bernoulli's equation.

真实的船体表面形状可以通过在船体表面布置偶极子来考虑，求得船体表面的偶极子强度后，通过Bernoulli方程可得到船体表面的脉动压力。

The four-page lawsuit does not specify the amount of money, which Bessemer said Novatec has calculated based on lost sales and manufacturing profits.

四页的诉讼没有具体的金额，这贝塞麦说Novatec已经失去了计算的销售和制造的利润。

Returns or losses are calculated in proportion to how right or wrong the bettor is, and can lead to huge returns or losses.

计算输赢输赢是按照投注者判断的准确比例进行的，所以可以赢到大钱或输大钱。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！