The gravitational keyhole they mention is a precise region in space, only slightly larger than the asteroid itself, in which the effect of Earth's gravity is such that it could tweak Apophis' path.
他们提到的引力关键点是天文上的一个精确地带,仅仅微大于小行星本身,在那个点上地球引力的影响可以改变小行星运行的轨迹。
When light from a star passes near a galaxy, for example, its path bends, changing where the star appears in the sky-the so-called gravitational lensing effect.
例如,当恒星发出的光经过一个星系附近,其路径会弯曲,改变恒星出现在天空中的位置——这就是所谓的引力透镜效应。
Path coefficient analysis indicated that the positive direct effect of millable stalks on cane yield was bigger than those of plant height and stalk diameter.
通径系数分析结果,有效茎数对蔗茎产量的直接正效应大于株高和茎径;
Then, package structure, especially the signal transmitting path structure is optimized using 3d electromagnetic simulation and microwave circuit theory. Effect of package lid is also studied.
然后通过三维电磁场仿真,并结合微波电路理论对封装结构,特别是高频信号传输路径进行了优化设计,另外对盖板的效应进行了定性分析。
"Garden path" effect is a phenomenon of partial ambiguity, involving semantic, syntactic and pragmatic factors.
“花园路径”效应是一种局部的语言歧义现象,涉及语义、句法和语用等多方面的因素。
Geometrical effect, crack path kinking and deflection, particle bridging and crack shielding are the main toughening mechanisms.
层间增韧的几何效应、裂纹传播路径控制、裂尖屏蔽和颗粒桥联是主要的增韧机理。
The results show that: (1) In order to improve the effect of adaptive filtering in acoustic echo canceling, the important path is to adopt new hardware and new algorithm.
回波消除中的自适应滤波研究结果表明:(1)由于受到硬件和自适应算法本身的制约,要从根本上提高回波消除中自适应滤波效果,选用新的硬件和新的算法是重要途径。
Research the effect of the different kinds of vehicle in path selection, the analysis of vehicle differential benefit and toll coefficient.
重点研究收费标准对各车型路径选择的影响,收费公路级差效益分析和收费系数的分析。
The Fourier amplitude spectrum used in a seismological model can be expressed as a product of source spectrum, propagation path factor and site effect in frequency domain.
在频域内,场地的地震动傅立叶幅值谱,可以表示为震源谱、传播路径影响因子和场地效应的乘积。
Objective To explore the effect of application of clinical path in function recovery of suffering limbs of patients with breast cancers after operation.
目的探讨临床路径在乳腺癌术后患者患肢功能康复中的应用效果。
Objective: to probe into the effect of applying clinical nursing path for nursing care of otorhinolaryngologic patients undergoing selective operation.
探讨运用临床护理路径护理耳鼻喉科择期手术病人的效果。
The exact analytical equation for the effect AB is worked out by the method path integral.
本文用路径积分方法导出了AB效应的精确解析式。
The design of the coupling lens's light path was discussed to guarantee enough light energy to enter the instrument and little effect on the resolution of spectral instrument.
为了保证该装置充分利用光能,又尽量减小对光谱仪分辨率的影响,对所使用的耦合透镜的光路设计进行了探讨。
At the same time, the effect of stress path circumgyration on shear modulus decreases gradually along with the increase of shear strain.
同时由应力路径旋转对模量的影响也随着剪切应变的增加而逐渐衰减。
This speciality has great effect on the amount of creep, unloading proportion of core concrete and stress path of steel tube, and so on.
这一特性对钢管高强混凝土轴压构件的徐变值大小以及徐变过程中核心混凝土的卸载比例、钢管最终的应力路径等有重大的影响。
The model overcomes the defects of 3D component models which can not consider the effect of stress path and hardly show the lateral rheological deformation law.
所建模型克服了三维元件组合模型不能考虑应力路径影响以及不能很好反映侧向流变变形规律的缺点。
A path analysis shows that the achievement and adaptive cultural orientations have a direct effect on performance.
路径分析发现成就和适应性的文化取向对绩效有直接作用。
It is usually accepted that the path effect and the soft rock site effect determined from small-moderate earthquakes are fit for strong earthquakes in the same region.
大家知道,在同一地区,用中小地震确定的传播路径影响和软基岩场地效应,同样适用于强震。
Bashiok: This is a knock back effect when the Siegebreaker would use its "charge" type ability. It effectively damages your character and pushes them away from the charging path.
当攻城兽使用“冲锋”型技能时,会产生一种击退效果。它能有效地对你的角色造成伤害,并将冲锋路线上的人推开。
It features that extraction liquid, strip-extraction liquor and raw material liquid flow in different layer, so resulting in short path of mass transfer, uniform film phase and high separation effect.
本发明装置可使萃取液、反萃取液和料液分别在不同层间流动,传质路径短,膜相均匀,分离效果好,适当组合的基本单元可构成具有工业实用性的系统装置。
The present study justified the role of feature types of sub-concepts in category effect of combined concept by using feature listing experiment and path model.
本研究通过特征列举实验和建构路径模型,检验概念的特征类型在组合概念范畴效应中的作用。
The main path of ultrasonic sludge disintegration was the mechanical effect of hydraulic shear force.
超声破解污泥的主要作用途径是水力剪切力的机械作用。
Objective: to evaluate the effect of clinical nursing path for continuous ambulatory peritoneal dialysis (CAPD) on above 60 years with diabetic renal failure.
目的:探讨临床护理路径在60岁以上糖尿病肾衰竭患者行持续性非卧床腹膜透析(CAPD)治疗中的应用效果。
In this paper, the fractal effect of crack propagation path on the fatigue behaviors is studied.
研究了分形裂纹扩展对材料疲劳行为的影响。
Then the direct and indirect effect of each main parameter selected on the formation of yield were determined with path analysis.
通过对三个主因子通径分析,明确其对产量构成的直接和间接效应。
An analysis of the effect of tooth path and optimum clearance Angle on tool life in the up milling and down milling processes is presented.
本文分析了铣削轨迹及合理后角对顺铣与逆铣中刀齿耐用度的影响。
In the feedback control scheme, the time delay effect of the secondary path may cause the system unstable when the vibration frequency increases.
在反馈控制形式中,随着振动频率的增大,次通道的延迟作用可能使系统不稳定。
The size of current path, resistivity, power density are main factors that effect the temperature field and temperature gradient field at crack tip.
试件的通流尺寸、电阻率、导入电流密度是影响裂纹尖端温度场和温度梯度场的主要因素。
The size of current path, resistivity, power density are main factors that effect the temperature field and temperature gradient field at crack tip.
试件的通流尺寸、电阻率、导入电流密度是影响裂纹尖端温度场和温度梯度场的主要因素。
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