extremely low frequency是什麼意思，extremely low frequency的意思翻譯、用法、同義詞、例句

[通信] 極低頻

But the extremely low frequency (ELF) magnetic fields generated by such cables may cause disturbances to nearby electronic apparatus and may even affect the human health.

這種重載流電纜周圍的極低頻磁場可能幹擾附近敏感電子設備的正常運行，甚至影響暴露于該場下的人體的健康。

Conclusion Extremely low frequency electromagnetic field conspicuously restrained the growth status of tumor cells, and some tumor cells could be induced to apoptosis by EMF.

結論極低頻率電磁場對腫瘤細胞有明顯抑制作用，在一定程度上誘導腫瘤細胞的凋亡。

Objectives To investigate intensity of extremely low frequency magnetic field (ELFMF) emitted from cathode-ray tubes (CRT) of monitors in various directions and to find ways to avoid its influence.

目的研究電腦陰極射線管顯示器正前方不同距離和不同方位的極低頻磁場（ELFMF）強度，就如何減少ELFMF的影響提出初步建議。

The important frequencies for stimulating tissue repair are all in the biologically important extremely low frequency (ELF) range.

為促進組織修複的重要頻率在生物的重要極低頻所有（低頻）的範圍。

This analytic method is also suitable for the bands of extremely low frequency (ELF) and very high frequency (VHF).

這種分析方法也適用于極低頻到甚高頻波段。

The purpose of this review is to help people having a right attitude toward the health effects of expo-sure to extremely low frequency (ELF) electromagnetic fields.

旨在使人們對環境極低頻電磁場暴露的健康效應有一個正确的認識。

These are quasi-standing extremely low frequency (ELF) waves that naturally exist in the earth´s 'electromagnetic´ cavity, the space between the ground and the ionosphere.

這些是天然地存在于地球的“電磁”空腔——地面和電離層之間的空間中的極低頻（ELF）準駐波。

The current situation, present questions, future research direction of effects and application of extremely low frequency electromagnetic field on human health are introduced in this paper.

簡要介紹了極低頻電磁場對人類健康的影響和應用研究的現狀、存在問題及未來研究方向。

Objective To explore the relationship between extremely low frequency (ELF) magnetic fields and carcinogenesis.

目的探讨極低頻（ELF）磁場可能存在的促癌或協同促癌作用。

Objective To study the effects of extremely low frequency electromagnetic field(ELF EMF) and its combination with lead on the antioxidant system in mouse brain and liver tissues.

目的研究極低頻電磁場及其與鉛的聯合作用對小鼠腦和肝髒抗氧化系統的影響。

A circuit network is used to further compensate the low frequency characteristics and a novel type of inertial extremely low frequency transducer is obtained.

在此基礎上，用電路網絡對磁電式檢波器的低頻特性作進一步的校正，得到了慣性式特殊低頻傳感器。

Extremely low frequency ( ELF)refers to an electromagnetic field having a frequency much lower than the frequencies of signals typically used in communications.

超低頻是指一種非常低頻的電磁場，它的頻率比一般通訊信號使用的頻率低得多得多。

The extremely low frequency electromagnetic fields (ELFEMF) were very related to humans health and living environment and its biological effects were more and more interested to scientists.

極低頻電磁場（ELFEMF）與人類的生存環境及健康密切相關，其生物學效應也倍受關注。

This falls in the extremely low frequency (ELF) range which includes frequencies up to 300 Hz.

這種頻率屬于極低頻的頻率範圍内，通常極低頻的頻帶範圍也在300Hz以下。

Major occupational hazard factors at the plant stu***d included dust, noise, poisonous chemicals, and extremely low frequency electric field.

結果顯示：該廠的職業病危害因素主要有粉塵、噪聲、毒物、工頻電場等。

The ELF (extremely low frequency) waves cause entrainment of millions of Americans to occur, possibly to influence the election.

超低頻波影響造成數以百萬計的美國人，可能影響選情。

This makes achieving negative permeability under extremely low frequency as well as the permeability switching between positive and negative value rapidly through a magnetic field pulse into possible.

這使實現極低頻的負磁導率以及通過磁場脈沖實現磁導率在正負之間快速跳變成為可能。

The biological effect of extremely low frequency(ELF)electromagnetic field on human body is a question in dispute.

低頻電磁場是否對人體或生物存在不良影響 ，一直是學者們争議的課題。

No data relevant to the carcinogenicity of static electric or magnetic fields and extremely low-frequency electric fields in experimental animals were available.

靜态電磁場和超低頻電場對實驗室動物緻癌性的相關數據未提供。

There is inadequate evidence in experimental animals for the carcinogenicity of extremely low-frequency magnetic fields.

超低頻磁場對實驗室動物緻癌性證據不足。

There is inadequate evidence in humans for the carcinogenicity of static electric or magnetic fields and extremely low-frequency electric fields.

靜态電磁場和超低頻電場對人類緻癌性證據不足。

Extremely low-frequency magnetic fields are possibly carcinogenic to humans (Group 2B).

超低頻磁場可能對人類緻癌。

Static electric and magnetic fields and extremely low-frequency electric fields are not classifiable as to their carcinogenicity to humans (Group 3).

靜态電磁場和超低頻電場不具備對人類的緻癌性。

Callus was induced from segments of leaf and hypocotyls from seedlings, but bud differentiation frequency was extremely low , approximately1%.

無菌實生苗的胚軸和葉片切段均可誘導形成愈傷組織，但不定芽的分化率極低，僅約1%。

As far as cased-hole formation resistivity logging, the key problems needed to be solved are detection of ultra-low frequency and extremely weak signals, as well as reduction of strong interferences.

超低頻、納伏級信號的檢測以及強幹擾的抑制是過套管地層電阻率測井需要解決的關鍵問題。

In high frequency communication, extremely low SNR communication is an expe***nt means.

在短波通信中，極低信噪比條件通信是一種應急通信手段。

Low loss at high frequency, extremely small inherent temperature rise, high reliability.

高頻損耗小，内部溫升極小，可靠性高。

Extremely low leakage current, standard size. Used in TVs frequency channel conversion or weak signal import loop circuits.

良好的低漏電特性，标準尺寸。適用于電視機頻道轉換或小信號輸入回路。

It can reach control object quickly without vibration, so is extremely suitable for industrial control such as machine tool of low frequency response.

可快速、無振蕩抵達控制目标，特别適用于機床等響應速度不高的工業控制。