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- Because of the complexity of the Earth's magnetic field and the constant changes it is impossible to predict what the field will be like anytime in the distant future. 因為地球磁場(chǎng)和持續變化的復雜性，要預測磁場(chǎng)在遙遠的未來(lái)將是什么樣子的是不可能的。
- It shows the presence of a magnetic field. 這表明有磁場(chǎng)存在。
- The magnetic field of the earth creates a torque around the pivot. 地球的磁場(chǎng)在支點(diǎn)周?chē)a(chǎn)生一個(gè)轉矩。
- Uranus does have a magnetic field even stronger than Earth's. 天王星確實(shí)有磁場(chǎng)，甚至比地球的磁場(chǎng)還大。
- Usually the earth's magnetic field acts as a shield. 平常，地球磁場(chǎng)構成了一個(gè)保護屏。
- Pigeons navigate less accurately when the earth's magnetic field is disturbed. 地球磁場(chǎng)受到干擾時(shí)，鴿子的道航能力就會(huì )變得不準確。
- Detected in a distant protogalaxy, it measures at least 10 times greater than the average magnetic field in the Milky Way. 這個(gè)強磁場(chǎng)是在遙遠的原星系中探測到的，經(jīng)測量比銀河系的平均磁場(chǎng)至少強出10倍。
- The earth's magnetic field protects us from the sun's harmful radiation. 地球磁場(chǎng)讓我們免受太陽(yáng)輻射的傷害。
- Can Magnetic Field Drill through a Piece of Iron? 磁場(chǎng)能穿過(guò)鐵片嗎?
- The string is in a magnetic field. 振動(dòng)弦處于磁場(chǎng)之中。
- The force exerted by a magnetic field. 力由磁場(chǎng)施加的力。
- The lines of force of a magnetic field. 磁力磁場(chǎng)的磁力線(xiàn)
- A device used to determine geographic direction, usually consisting of a magnetic needle or needles horizontally mounted or suspended and free to pivot until aligned with the magnetic field of Earth. 指南針用于確定地理方向的設備，通常包括一個(gè)或多個(gè)水平安裝或懸掛的磁針，可在樞軸上自由活動(dòng)直到與地球磁場(chǎng)在一條線(xiàn)上
- The class of phenomena exhibited by a magnetic field. 磁性磁場(chǎng)顯示的一組現象
- The current in the conductor sets up a magnetic field. 導體里的電流形成一個(gè)磁場(chǎng)。
- A third radiation group was unaffected by the magnetic field. 第三組射線(xiàn)不受磁場(chǎng)的影響。
- We might put the current-carrying wire in a magnetic field. 我們可將載流導線(xiàn)置于磁場(chǎng)中。
- The Van Allen belts are composed of charged particles trapped by the earth's magnetic field. 范阿倫帶由地球磁場(chǎng)俘獲的帶電粒子所組成。
- Don't bend or stain and avoid magnetic fields. 不要彎折、污損，并避開(kāi)磁場(chǎng)。
