Jim, is physics difficult to learn?
吉姆，物理难学吗？
In this case, it’s not. It’s also very difficult to do when there’s a lot of physics jargon – a factor is that we really don’t understand.
现在这种情况就没必要，而且当台词中有很多物理术语的时候那也非常困难，本来我们就不懂嘛。
In this case, it's not. It's also very difficult to do when there's a lot of physics jargon – a factor is that we really don't understand.
现在这种情况就没必要，而且当台词中有很多物理术语的时候那也非常困难，本来我们就不懂嘛。
The aim of this paper is to probe into difficult problems and the corresponding teaching strategies of physics in senior high school.
本论题的研究，旨在探讨高中物理教学中的疑难问题及其教学对策。
It is one of the difficult points of physics teaching to ask the static friction force of solving.
为解决静摩擦力难以判断的问题，提出了概念判断法、加速度判断法、综合分析法等方法。
The physics problem is difficult to work out.
物理问题是难以奏效的。
Under the current laws of physics, it is difficult to understand how it could exist. And this is probably the main reason scientists dismissed it for so long.
就现有的物理学定律，我们很难理解球状闪电存在的原因，而这可能也是长期以来科学家忽视球状闪电的主要原因。
Rocks are non-transparency and brittle. It is difficult to simulate the movement of rock pieces in cut cavity by math and physics.
岩石属非透明脆性介质，碎块在其内部运动过程的数学模拟和物理模拟都有较大难度。
During the teaching of Medical Physics, it is difficult to describe harmonic vibration with rotation vector clearly just with some static pictures.
《医学物理学》课程中，简谐振动旋转矢量法的学习，仅靠静态图片不利于阐明其原理。
In a few person eyes, the physics is like that monotonous, like that difficult to comprehend, what "beauty" but the word does that have?
在一些人眼中，物理学是那样枯燥，那样难懂，那有什么“美”可言呢？
For the typical physics states of the laser plasma, it is difficult to obtain the plasma parameters directly. Spectroscopic diagnostics play an important role in the field of plasma diagnostics.
激光等离子体所特有的极端物理环境使我们很难用直接的手段获取等离子体状态参数，长期以来，光谱诊断在激光等离子体诊断领域发挥着重要作用。
Statistic of the physics and mechanics index of soil and rock is a tedious and important work. Statistic by handiwork is easy to make mistake and is difficult to be checked.
岩土物理力学参数统计计算是一项繁琐而又重要的工作，手工统计易出错，且难于校核。
The physical origin of the cosmological constant is considered to be one of the most difficult and important problems in modern physics.
当代天文学的一系列观测事实都支持应该存在一个非零的正的宇宙学常数 。
The physical origin of the cosmological constant is considered to be one of the most difficult and important problems in modern physics.
当代天文学的一系列观测事实都支持应该存在一个非零的正的宇宙学常数 。
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