双线性的

The detection limit is 3.25×10-9g. It was found that the methods of double capillary GC were simple and efficient for identification and detection of homologous series of benzene in environmental water.

结果表明，所建立的双毛细管柱定性定量分析苯系物方法，具有简便、灵敏、准确、线性范围宽的优点，适合于水中痕量苯系物的监测分析。

In addition, there will be bimodal distribution for time series if there is a linear trend, but it doesn't change the probability distribution of differences of scalars.

同时，也发现，线性趋势的存在会使原变量的概率分布出现双峰，但是不会影响变量差的概率分布。

To realize real time fault detection and diagnosis when multi sensors have faults simultaneously in the linear control system, a set of two ellipsoid confidence region s was constructed based on two ellipsoid overlap method.

双椭圆相交法可以用于多个传感器同时发生故障的线性控制系统，不仅能够快速、准确地检测出故障发生的时刻，并且能将故障定位到发生故障的传感器。

Near the bifurcation point, the linear stability of difference differential equation which describes acoustooptic bistable systems is analyzed, the expression of resonance frequency and amplification multiple are given.

在分岔点附近，通过对描述布拉格型声光双稳系统的差分－微分方程进行线性稳定性分析，得到了系统对小信号放大时的共振频率，给出了放大倍数的表达式。

In the case of Dirichlet boundary conditions,these estimates were improved by Baker[1]who used a technique that can be interpreted as a nonstandard energy argument.

Dupont[15]使用标准能量方法给出了一类线性双曲方程Galerkin解的L2误差估计，对于Dirichlet型边值问题，Baker[1]对其结果作了改进，用的是一种可谓"非标准的能量不等式"方法。

The one-dimensional time-dependent Schrdinger equation was numerically solved with the symmetric splitting of the short-time exponential propagator and the fast Fourier transformation, and influence of intensity and pulse with on ionization of linear multi-ation molecular ion in two-color laser fields was researched.

利用短时指数传播子对称分割法和快速傅里叶变换技术，数值求解了一维含时Schrodinger方程，探讨了双色激光场中激光的基波和谐波强度之间的不同配比以及脉宽对线性多原子分子离子电离的影响。

The relationship between the reflectivity and the position of stress is hyperbolic tangent. Moreover, the phase had certain relations. Based on this, the characteristic of FBG under inhomogeneous transverse force were studied.

同时，应用传输矩阵的方法对光纤光栅横向局部受力特性进行了研究，研究发现当光栅局部受力时，反射谱产生分裂，分裂点波长移动与受力大小成线性周期变化，分裂点的反射率与光栅局部受力位置为双曲正切关系，而且相位也存在一定的关系。

Analyses of loci in the π plane and meridian line s show that the parabolic and hyperbolic type failure envelopes have no influences on the shape of the.

对改进式所作的π平面极限线和子午线分析表明，采用抛物线和双曲线形强度包络线基本上不会改变原准则在π平面上的极限线形状，但子午线由直线改为曲线，极限面在主应力空间内分别为抛物面和双曲面，其锥顶距坐标原点也比采用线性强度包络线的要小。

Discrete gap breathers in a one-dimensional diatomic β-FPU chain are studied by linear stability analysis.

采用线性稳定性分析的方法，讨论了一维β-FPU双原子链中呼吸子解的稳定性问题。

Using LM135 semiconductor temperature sensor, CPU and digital tube interface, a digital display free-air thermometer for helicopters has been developed sucessfully, which will take the place of the bimetal pointer thermometer.

半导体温度传感器具有较高的精度和良好的线性输出。采用LM135型半导体温度传感器，与CPU、数码管接口，经A/D和V/F转换等信号处理，成功研制了某直升飞机数字大气温度显示器，取代了双金属片指针式温度计。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。