查询词典 bifurcation

The catastrophe bifurcation of the control variables divide a fire into flashover zone and non-flashover one.

控制变量的突变分叉集空间将火灾分为轰燃区和非轰燃区。

After the microscope through the cultivation of detection, slender hyphae, bifurcation, and short stem hyphae collateral for its health or the alternate on the branch, the branch can continue to branch, forming two, three branch , is the end of vase-shaped branching stems, spores observed liquid spherical sporangium producers body, the formation of conidia oval eggs, smooth-walled.

通过培养后显微镜观察检测，菌丝细长、分叉多，梗为菌丝的短侧枝，其上对生或互生分枝，分枝上又可继续分枝，形成2级，3级分枝，分枝末端即为瓶状梗，孢子液制片观察到球形孢子囊体，分生孢子卵形成椭圆形，壁光滑。

With the increase of vibration frequency, the variation process of Jacobi matrix eigenvalue was calculated. According to the position of eigenvalue crossing the unit circle in the complex plane, the stability of fixed point of the map was discussed and the route from periodic motion to chaos via period-doubling bifurcation was received.

以振动频率为控制参数，计算得到映射Jacobi矩阵特征值的变化曲线，根据其穿越复平面单位圆的位置，分析了映射不动点的稳定性，获得了碰撞运动通过典型的倍周期分岔通向混沌的过程。

The stability and bifurcation of a thin elastic rod under tension and twist are analyzed, and the results can be applied to determine the stability of a thin helical rod by use of the equivalent stiffness.

分析受拉扭弹性细杆的稳定性和分岔，且利用等效刚度概念将弹性杆的稳定性条件应用于对细长螺旋杆稳定性的判断。

Star gear transmission ; nonlinear dynamics ; backlash ; chaos ; bifurcation

星型齿轮传动；非线性动力学；齿侧间隙；混沌；分岔

Leaves grow in clusters; stipe chestnut brown, shiny ; blade pentagonal, Zhang Kuange about 5-7 cm, there are three separate base, or connected to cleft pinna feather, apical pinna nearly diamond-shaped, triangular lateral pinna, feather shaft under the lateral side of the sliver compared with the previous long, the base of one the longest; vein plume bifurcation; leaves dark green above, here are milky white or milk yellow powder.

叶簇生；叶柄栗棕色，有光泽；叶片五角形，长宽各约5—7厘米，有3片基部相连的或分离的羽裂的羽片，顶生羽片近菱形，侧生羽片三角形，羽轴下侧的裂片较上侧的长，基部1片最长；叶脉羽状分叉；叶片上面暗绿色，下面有乳白色或乳黄色粉末。

Because the seedlings that live in gaps get light intermittent, overall bifurcation ratio are significantly lower than that under canopy and full sun.

在林隙中的幼苗受光的间歇性影响，总体分枝率明显小于全光、林冠下的幼苗分枝率。

Secondly, the pseudo-chaotic stream cipher based on searching plaintext in a pseudo-random symbolic sequence is analyzed, by several successful cryptanalytic attacks such as one-time pad attacks, bifurcation diagram attacks, entropy attacks, differential attacks and key recovery attacks etc..

第二章研究了基于搜索机制的数字混沌序列密码算法，并详细分析了包括一次一密攻击，分叉图攻击，熵攻击，差分攻击以及基于符号动力学的攻击方法。

Then, new soliton eigenstates and bifurcation behavior are obtained.

并且在此基础上讨论了孤子本征态和分岔结构。

Finally, we discussed the application of the bifurcation theory on nonlinear mechanical system. A parametrically and externally excited mechanical

最后，给出了结论与展望，概述了本文所获得的主要研究成果，并指出进一步研究的方向。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。