Clearly, geophysicists who seek to explain and forecast changes in the field must understand what happens in the outer core.
显然，试图解释和预测磁场变化的地球物理学家必须了解外核发生了什么。
The Earth's magnetic field is generated by currents flowing in Earth's outer core.
地球磁场由地球外核中的电流产生。
Changes in the thickness, viscosity and conductivity of the outer core in the past could have led to convection patterns that caused the magnetic pole to tilt.
过去任何来自于核外层的厚度、粘性和导电性变化都会导致对流形式变化从而引起磁极倾斜。
The hot core collapses and begins to pulsate, eventually shedding its outer layers of gas to set the stage for the birth of a planetary nebula.
恒星高温的核心坍缩，并开始有规律的振动，最终气体外层迸散，为行星星云的形成提供了有利条件。
Perhaps the standards bodies and their members should focus their efforts on finishing the basic, core workflow standard and not be so distracted by the outer layers.
也许标准的主体和它们的成员应该将力量集中在完成基础的、核心的工作流标准，而不应被外层过多地分散力量。
The research of the molding system for the castable polyurethane tire is introduced, mainly including the design and development of the core mold, outer mold and rotatable frame.
介绍聚氨酯浇注轮胎成型系统的研究，主要包括芯模、外模及翻转架的设计和研制。
The surface of separation between the very hot core and the somewhat cooler outer layer is the radiation front.
十分热的芯部和略为冷些的外区之间的分界层就叫做辐射波阵面。
The structure Filled with Aluminium Foam is one kind of compound structure. By varied ways of connecting, it is composed of Aluminium Foam core and outer full dense metal.
泡沫铝夹芯件是一种复合结构，由泡沫铝芯及外层的致密金属通过各种连接方式所组成，其形状各异且具有比单纯泡沫铝更加优异的性能。
A new type of column-RC beam joint of concrete filled steel tube (CFST) is created. The outer tubular column of CFST is disconnected in the joint zone. The core steel tube is put in the joint zone.
提出一种在节点区间断钢管混凝土柱的外钢管、设置芯钢管的新型钢管混凝土柱与钢筋混凝土梁的节点。
The seal is provided by the combination of a peripheral groove in an outer surface of the check valve and a helically wound core in the groove.
通过组合所述止回阀的一外表面中的一周边槽与所述槽中的一螺旋缠绕芯来提供所述封垫。
That's because hydrogen peroxide soaks through the protective outer coating of enamel and into the softer layer of dentin underneath, irritating the nerve-rich dental pulp at the core.
这是因为过氧化氢会渗入釉质的外部保护层并进入牙质下面的较为柔软的一层，刺激神经组织比较多的牙髓。
The stress status of end fittings connection of inner wedge, outer wedge and clamp construction is analyzed. The connection of fittings with core achieved with tight fit.
分析了棒形悬式复合绝缘子所采用的内楔式、外楔式及压接式三种端部附件连接结构的受力情况，发现三种端部附件和芯棒连接均是通过过盈配合来实现的；
The outer core of the earth, being in the plasma state with high temperature, high pressure, high density, and immersed in a strong toroidal magnetic field, can support varieties of plasma waves.
地球外核处于高温、高压、高密度的等离子体状态，可以支持多种磁流体波的激发和传播。
Hardening: Case hardening process whereby the carburized outer surface is made hard and strong while the center (core) is made tough and flexible.
淬火：是使渗碳的表面变硬，芯部变得有柔韧性的表面硬化工艺。
The inner core yarn USES high performance fiber and outer wrapped yarn is a hot-melt fiber.
它是以高性能纤维为芯纱、热融纤维为包缠纱，通过二维编织工艺加工而成。
The effects of stiffness and strength for outer members on stability ultimate bearing capacity of whole members were studied when the core members had been determined.
在内核构件已经确定的情况下，研究了外围构件的刚度和强度对整体构件稳定极限承载力的影响；
Coaxial fibers are different from conventional fibers. The index of the inner cladding is higher than that of the core and outer cladding.
环形光纤不同于普通光纤，它的内包层折射率比芯子和外包层都大。
The casting technique with top gating system, outer shaped iron chill, compound casting mold and core assembly molding was used for producing aluminum impeller on a large scale successfully.
详细介绍了采取顶注式浇注系统、成形外冷铁、复合铸型、组芯造型的铸造工艺，成功地生产出批量铝叶轮。
The invention consists of an outer tube, a rubber stopper, a core bar and a push bar.
本发明由外筒、胶塞、芯杆和推杆组成。
Our brains are made up of a primitive inner core and a more evolved and rational outer core.
我们的大脑由原始的内核和进化程度更高、更具理性的外核组成。
The Earth's magnetic field is generated as the molten iron of the Earth's outer core revolves around its solid inner core; when surges in the molten iron occur, magnetic tempests are created.
地球磁场是由地球外核的熔铁围绕固体内核旋转而产生的；当铁水激增，就会发生磁暴。
The interplay between the two leads to the formations of fluid outer core, basalt magmas, oceanic crust, and differential rotation between the inner core and mantle.
这两者之间的相互作用导致了流体外核的形成、玄武岩浆的产生、洋壳的形成、以及内核和地幔之间的差异旋转运动。
The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.
解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。
As the star begins to run out of fuel, its core becomes smaller and hotter, boiling off its outer layers.
当恒星逐渐缺少能源，它的核心部分变得越来越小，温度逐渐升高，同时使外层物质挥发。
Based on the analysis of its characteristics, in this essay, the capital knowledge is divided into three sections, the core, the inner and the outer.
本文在分析知识资本特性的基础上，把知识资本划分为核心层、内部层和外部层三个层面。
We develop delicious capsules so that both the outer shells and the core materials are palatable even for children.
我们开发了外壳和核心材料都很美味的胶囊，即使是儿童也喜欢。
The hooks were composed of outer pellet layer, the middle fibrous layer and the central core marrow.
六钩蚴小钩从外至内由颗粒带、纤维层和芯髓组成。
Along with the cluster's dense core, the outer reaches of M13 are highlighted in this sharp color image.
除了星团稠密的核心，这张锐利的彩色照片还突出了M 13的外延范围。
With the strategy of the UC3525 core as well as an inner current-loop and an outer voltage-loop control, the output stable voltage and limited current are realized very well.
控制电路以UC3525为核心，构成电流内环、电压外环的双环控制模式，实现系统稳压和限流。
With the strategy of the UC3525 core as well as an inner current-loop and an outer voltage-loop control, the output stable voltage and limited current are realized very well.
控制电路以UC3525为核心，构成电流内环、电压外环的双环控制模式，实现系统稳压和限流。
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