不少农民虽然懂得智力投资的重要性,但是限于经济条件,他们首先要培养男孩子,因为他们认为,男孩子是家庭中最稳定的成员。
Many farmers are fully aware of the importance of intellectual investment on their children.
稳定的复杂性有什么限制条件,必要条件?
What are the boundary conditions, the requirements, for stable complexity?
并在生产因素保持相对稳定的条件下,据此模型对河北省棉花生产进行规划性预测,为生产的规划与决策提供科学信息。
The model was used to predict the cotton yield in Hebei province under the conditions of relative stability and to provide scientific information for production planning and decision making.
三是不稳定的空气状态。这是重要的局地热力条件。沙尘暴多发生于午后傍晚说明了局地热力条件的重要性。
Three is not stable air condition. This is an important local thermal conditions. Sandstorm occurs more often in the afternoon that incorporates the evening the importance of thermal condition.
应用交替分段显隐方法求解变系数对流扩散方程,此方法具有很好的并行性且无条件稳定。
Using alternating segment explicit implicit method for the variable coefficient convection diffusion equation. The method has the obvious property of parallelism and is unconditionally stable.
你们的稳定性检测计划,包括每项检测的稳定性指示性方法和可接受标准以支持你们药品标示的存贮条件和有效期。
Your stability testing program, including stability-indicating methods and acceptance criteria for each test to support the labeled storage conditions and expiry dates for your products.
专家认为,由于更具挑战性的条件下,海上风机产生将稳定产生陆上两到三倍的电力。
Experts believe that because of the more challenging conditions, the power offshore wind turbines generate will be consistently two to three times as expensive as on land.
分析表明:条件性对称不稳定是这次强降水发生的不稳定机制之一。
The analysis shows that conditional symmetric instability might be the unstable mechanism responsible for the heavy rain event.
进而通过对椭圆形井眼周围岩石应力分布的分析,对不同岩性的地层确定了不同的井眼稳定性条件。
By analyzing the rock stress state around the elliptic borehole, the stability conditions are established for different types of formation.
霾在大气逆温等稳定气象条件下,由气溶胶和气体污染物造成的一种城市和区域性空气污染现象。
Under inversion and other weather conditions, haze is a form of urban and regional pollution, causing by aerosol.
在一类适定性条件下,应用对数凸性方法证明了抛物方程终值问题具有平均稳定性。
Applying Logrithmic convex method, an average stability for the inverse parabolic problem with final observation is constructed under suitable correctness condition.
硬件电路设计采用了CPLD技术,将一些数字电路环节集成在CPLD芯片中,为系统的小型化、稳定性、抗干扰性、在线修改和升级创造了条件。
CPLD technology is employed to integrate digital circuit in CPLD chip, which is of great usage to the miniaturization, stability, noise immunity and on-line modification and upgrade of the system.
复方党参黄芪注射液在室温避光条件下,至少在12个月内稳定,与葡萄糖和氯化钠注射液配伍相容性好。
The injection was stable in at least 12 months at room temperature away from light. The compatibility of injection with glucose and sodium chloride injection was good.
在理论上研究了扫描镜电机的神经网络控制器,给出了其稳定的条件,并通过计算机仿真结果证明了它的可行性。
NN controller of the scan mirror engine is researched in the theory, its steady condition is given, its feasibility is proved by the results of computer simulations.
详细分析了预测函数控制在具有参数饱和限制环节和滞后的机电伺服系统中的实施算法,分析了系统的闭环性能,并得到了其稳定鲁棒性条件。
The paper analyses the implementary arithmetic in the servo system with saturation and lag segment, and analyses the performance of the close loop to obtain the condition of stability and robustness.
在不同的条件下,信度可用稳定性系数或内部一致性系数来估计。
Reliability can be estimated by stability coefficient or internal consistency coefficient under various conditions.
证明了对该系统添加状态反馈后可控制系统正平衡点的存在性和惟一性,给出了系统在平衡点渐近稳定的条件。
It is proved that existence and uniqueness on systemic positive equilibrium dot with the state feedback. Gives the asymptotic steady condition in positive equilibrium dot of the said system.
该方案对参数未知且时变系统,能确保系统始终处在滑模运动可达且存在的条件下稳定运行,具有更强的鲁棒性。
Theoretical analysis and simulation results have shown that the scheme enables the system to be always in the conditions of sliding mode existence and has a good stability and strong robustness.
证明了在某些条件下系统是持续的,建立了关于相应周期系统正周期解的存在性与稳定性的条件。
Conditions are established for the existence and the stability of the positive periodic solutions with respect to the corresponding periodic system.
本文针对一类具有随机状态转移概率的异步大系统,研究了该类异步大系统的随机收敛性及随机稳定性条件。
In this paper we study the stochastic stability and convergence conditions of a class of asynchronous large_scale systems with random state transition.
应用常微分方程定性方法,得到了正平衡点的全局稳定性和非小振幅极限环的存在唯一性的充分条件。
By using the qualitative methods of ODE, the positive equilibrium's global stability and existence and uniqueness of non-small amplitude stable limit cycle were obtained.
用低杂波的可近性条件、参量不稳定性条件和功率耦合谱分析了低杂波电流驱动(LHCD)。
The conditions of wave accessibility and parameter decay instability are used to analyse the density limit in LHCD.
严格地证明了它们的稳定性及其与解析边界条件的相容性。
The stability of these boundary conditions and their consistency with the analytical boundary conditions are proved.
研究了一般动态市场价格系统的均衡价格的存在性和稳定性问题,得到了均衡价格稳定的条件。
This paper studies problems of the existence and the stability of the equilibrium price for the general dynamical market pricing system, and obtains the condition of the equilibrium price stability.
当随机任务到达流符合有界性或周期性统计规律时,本文给出了网络动态具有稳定的规则行为的判别条件。
When bounded or periodic statistics rules are met by these random arriving jobs, a sufficient condition for the considered system to be of regular behavior is given.
在良好的设计配合比和施工条件下,SBS沥青能使沥青路面的耐久性和高温稳定性、低温抗裂性明显提高。
At good design proportioning and construction, the SBS asphalt would make the durability, stability at high temperature, crack resistance at low temperature obtain distinct improvement.
与经典的平行流边界层稳定性结果相比,显示了在某些条件下非平行性对稳定性的关键作用。
The key function of the non-parallelism under some conditions is shown by the comparison of the results from the classical stability problem of the parallel flow.
露天采矿工程中的高边坡稳定性受到很多因素的干扰与控制,其中包括地形条件,气象、水文条件,地层岩性条件,地质构造条件等。
In open pit mining project the stability of high slope is affected and controlled by many factors, such as topography, meteorology, hydrology, stratum lithology and geological structure conditions.
露天采矿工程中的高边坡稳定性受到很多因素的干扰与控制,其中包括地形条件,气象、水文条件,地层岩性条件,地质构造条件等。
In open pit mining project the stability of high slope is affected and controlled by many factors, such as topography, meteorology, hydrology, stratum lithology and geological structure conditions.
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