这表明在小麦的活体花药中也存在花粉二型性现象。
This indicated that the pollen dimorphism also presented itself in the anthers on wheat plants.
从爪鲵核型的高度不对称性和二型性以及次缢痕特征,推测该种爪鲵是小鲵科中较原始而又特化的种类之一。
The karyotype is asymmetrical and bimorphous, suggesting that the species is one of the primitive forms in the family Hynobiidae.
也不能保证,在生产已经转移的情况下,第二波甲型H1N 1流感的爆发一定会是致命性的。
Nor is there any guarantee that, having switched production, a second wave of an H1N1 strain will indeed be deadly.
背景:对于绝经女性,内源性雌二醇(e2)和游离睾酮(T)确实与葡萄糖耐受不良及2型糖尿病有关。
Context: in postmenopausal women, endogenous estradiol (E2) and free testosterone (t) have been positively associated with glucose intolerance and type 2 diabetes.
直升飞机类似欧洲直升机法国公司的海军型as 565“美洲豹”,少量也被PLA海军操作,但是二种直升飞机没有直接关联性。
The helicopter resembles the naval variant of the French Eurocopter AS 565 Panther, of which a small number is also operational with the PLA Navy, but the two helicopters have no direct link.
本文探讨了“串级阵阶模型误差”(包括控制回路中的惯性环节)对线性二次型(LQ)最优控制的稳定鲁棒性的影响。
In this paper the effect of "serial reduced order modelling error" (including the inertia links in regulation loop) on the robust stability of LQ optimal regulators is analysed.
先给出这些问题的提法,然后使用列紧性原理和极值原理证明了上述二阶椭圆型方程边值解的存在性和唯一性。
Fristly the boundary value problems for the equations is formulated, and then by using the compactness principle, the existence of solutions for the above problems is proved.
本文研究了离散型随机变量次序统计量的分布矩阵的对称性,获得了二个定理。
In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable.
第二章介绍了移动荷载识别的基本原理和相关知识,包括振型的正交性,模态叠加原理等。
The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
本文研究了离散型随机变量次序统计量的分布矩阵的对称性,获得了二个定理。
In this paper, we study the symmetry on distribution matrix of order statistic of discrete type random variable. Therefore, we obtain two theorems.
第二章详细论证了一类具有无穷时滞中立型积分微分方程周期解的存在唯一性和稳定性。
The second chapter discusses and proves the existence and uniqueness of periodic solutions and stability of a neutral integral and differential equation with infinite delay in detail.
得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
A regularity result of a class of second order divergence form elliptic equation was obtained.
建立了二阶具正负系数的非线性中立型微分方程的一个线性化振动性结果。
Established a linearized oscillation result of the second order nonlinear neutral delay differential equation with positive and negative coefficients.
目的探讨外伤性白内障后房型人工晶状体二期植入术的临床效果。
Objective To explore the clinical effect of secondary posterior chamber IOL implantation after traumatic cataract surgery.
时域分析表明,设计的预测控制器对外部正弦干扰有较强的鲁棒性,得到的结果关于二次型平均性能指标是次优的。
Time domain analysis shows that this predictive controller is of stronger robustness to external sinusoidal disturbances, and is suboptimal with respect to quadratic performance indexes.
伐地那非是一种新型高选择性磷酸二酯酶5型抑制剂,它对心血管系统的安全性已被多项临床试验所证实。
Vardenafil, as a novel and highly selective phosphodiesterase 5 inhibitor, has been proved by many clinical trials to be quite safe for the cardiovascular system.
目的:分析风湿性心脏病哑型二尖瓣狭窄的发生及特点。
Objective: To analyze the characteristics and occurrence of silent mitral stenosis (SMS) in rheumatic heart disease.
治疗下颚第二大臼齿远心侧的环绕型骨性破坏,是牙周病科医师的一大挑战。
Treatment of deep circumferential bony defects around the mandibular secondary molars is a great challenge to periodontist.
对于多元正态随机变量二次型的独立性的证明,最重要的是证明一个引理。
It is very important to prove a lemma for the proof of the independence between two quadratic forms of multivariate normal variables.
目的:观察甘草酸二铵治疗寻常型银屑病的临床疗效和安全性。
Objective:To observe the clinical effect and safety of diammonium glycyrrhetate(DG) in the treatment of psoriasis vulgaris.
自我管理型公司中超过90%的员工承认“绝妙的想法很容易会被公司采纳”,选择性顺从型公司中也有三分之二的员工这样认为。
More than 90% of employees in self-governing firms, and two-thirds in the informed-acquiescence category, agreed that "good ideas are readily adopted by my company".
本文研究了五个肾性,二个内分泌性和一个盐型实验性高血压大鼠的模型。
Five renal, two endocrinic and one salt models of experimental hypertensive rat were described.
对二阶振荡环节的测试和对A型转台的测试表明,该软件测试结果正确,具有较高的精度和实时性。
The results of the test for the second order oscillation link and the test for type a turntable show that the software has correct test result, higher precision and real time characteristic.
伐地那非是一种强效、高选择性的5型磷酸二酯酶(PDE5)抑制剂,对PDE5的抑制作用约为西地那非的10倍。
Vardenafil is a potent and highly selective phosphodiesterase type 5 (PDE5) inhibitor with a potency about 10-fold higher than sildenafil.
本文研究一类不稳定型二阶中立型微分方程正解的存在性与有界振动。
In this paper, we study the existence of positive solutions and the bounded oscillation of a class of second order unstable type neutral differential equations.
在新的控制条件下,证明了二次型极小化问题的迭代算法的有效性,所得结果改进了徐洪坤关于二次型优化的最新结果。
Under new control conditions, we prove convergence of the quadratic minimization problem, which improves the recent results by Xu about quadratic optimization.
在新的控制条件下,证明了二次型极小化问题的迭代算法的有效性,所得结果改进了徐洪坤关于二次型优化的最新结果。
Under new control conditions, we prove convergence of the quadratic minimization problem, which improves the recent results by Xu about quadratic optimization.
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