良、恶性鉴别诊断界值的确定用ROC曲线。
Cut-off value for diagnosis of malignancy was determined with ROC carre.
运用相乘模型的综合指数法和界值法筛选指标；
Multiplicative synthetic index method and critical value method were used to screen indexes.
结论经合理分析表明，本界值准确性高、稳定性好。
Conclusion Reasonable analyses showed that the critical values have high accuracy and stability.
授予学士学位平均学分绩点界值的确定，应视学校的具体情况。
The average credit by percentage by which to grant bachelordegree should be determined by schools'concrete conditions.
确定单变量成组序贯期中分析界值的方法可以扩展用于多终点期中分析。
The boundary calculation method for group sequential interim analysis of single variable can be extended to multiple endpoints interim analysis.
更多并不代表着更好，一旦量超过某个界值，学术质量只能让位于学术数量。
More isn't better. At some point, quality gives way to quantity.
同时，激励信号存在一个上界频率，当频率参数取值超过界值时，响应峰值迅速下降。
Meanwhile, there is an upper limit existing in frequency and the peak power of response will be greatly diminished only when the frequency exceeds its critical value.
目的探讨住院老年人上臂围和小腿围与其他营养学指标的关系、上臂围和小腿围对营养不良的诊断界值，进一步验证它们在营养评估中的重要性。
Objective To explore the relationship between the upper arm and calf circumferences and other nutrition indices, and the role of the twos circumferences in nutrition assessment for elderly patients.
并利用奇异值分解方法和模矩阵的性质，给出了使不确定广义系统鲁棒稳定的一个鲁棒界。
A robust stability boundary of uncertain singular systems is proposed by utilizing singular value decomposition and the character of mode matrix.
而粗大的晶粒及连续的晶界容易产生应力集中，因此合金经固溶时效后具有较低的塑性和冲击值。
However, large grain size and continuous grain boundaries combine to produce stress concentrations, thus lowering the plasticity and impact value of alloy after solution and aging treatment.
在三角形域上构造对边界曲线和跨界导数插值的三角曲面是计算机辅助几何设计和计算机图形学等领域中的基本问题。
Constructing triangle surface which interpolates the boundary curve and cross-boundary slopes on a triangle is the basic problem in computer aided geometric design, computer graphics and so on.
针对约束矩阵具有与其所对应的零陷个数相同数量的大特征值的性质，应用盖氏圆盘定理比较精确地估计一个零陷情况下约束矩阵特征值的界。
The character of the eigenvalues of the constraint matrix was aimed, and the character is that the matrix has the same number of larger eigenvalues as number of the nulls that the matrix denoted.
根据实验结果，对奥氏体晶界迁移激活能(Q)进行了计算，计算表明随稀土加入量增加，Q值亦增加。
According to the results, the activation energy for migration of grain boundary Q was calculated. With the increase of the amount of re, the value of Q increases.
国际劳工组织也说与2007年相比，2009年世界范围的青年失业人数增长了10.2百万，是自1991年来的最高值。
The ILO (International Labour Organisation) also said the number of unemployed youth worldwide increased by 10.2 million in 2009 compared to 2007, the largest hike since 1991.
对等温过程中的临界时间公式进行了理论分析与实验验证，证实了临界时间公式用于预测溶质原子非平衡晶界偏聚量达到极大值的恒温时间的准确性。
Theory analysis and experiment had been done for confirming the veracity of the critical time formula used for forecasting the holding time at which the segregation concentration reaches a maximum.
研究发现，由于晶界相中的氧含量随保温时间的延长先增加然后明显降低，导致烧结体中晶界相的总量和致密化程度随保温时间的增加有一最大值。
Results show that the contents of intergranular oxygen and total grain boundary phase as well as the density of sintered samples have maximum values with increasing the holding time.
本文讨论了一般正定复矩阵的两个性质，给出了正定复矩阵特征值的界，并给出了正定复矩阵行列式的模满足的一个不等式。
In this paper, some inequalities about singular values of normal matrices are established by the properties of compound matrix and the relation between eigenvalue and singular value of matrix.
本文讨论了一般正定复矩阵的两个性质，给出了正定复矩阵特征值的界，并给出了正定复矩阵行列式的模满足的一个不等式。
In this paper, some inequalities about singular values of normal matrices are established by the properties of compound matrix and the relation between eigenvalue and singular value of matrix.
应用推荐