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This article analyzed laser gain function and Voigt function I( v,v0 ), pointed out that the integral difficulty originate from Dopper and Lorentz profiles.

本文分析了激光增益系数ζ和佛克脱积分函数I(υ，υ_0)。指出两函数的积分困难均来源于洛伦兹分布函数和多普勒分布函数的褶积。

Dollar stems from the fact that China and other nations are holding large and growing amounts of American debt, according to economist James Dorn of the Cato Institute.

加图研究所的经济学家詹姆斯·多恩说，国际上对于美元主干的不安来源于中国和其他国家给出的美国的巨大且不断增长的债务。

Some say that Dark crystals are born from Dragoon's inspirations, and that Light crystals bear the mark of his breath.

有人说，黑暗水晶来源于巨龙的灵气，光明水晶却是巨龙气息的痕迹。

Draper International, which in 1995 became the first foreign venture-capital fund to invest in India, relied on money from Silicon Valley's Indian community.

Draper 国际，成立于1995年，是第一个外国风险投资建立的企业，这些风险投资的资金来源于硅谷的印度团体。

Dual number denotes two individual entities in the real world, which derives from the numeral "two".

双数是指现实世界中的两个独立的实体，双数的形成最初来源于表示二的数词。

Because fencing originates from the art of duelling.

因为击剑来源于决斗的仪式。

In the civil aviation industry, the forming of strong market power does not totally only come from the duopoly market structure.

在民航业中，强市场力量的形成则不完全只来源于寡占的市场结构。

The gene originated from T. durum acc.

该基因来源于硬粒小麦DR147。

Our subject for the modelling exercise is a classic building; part of the Charles Eames house situated in Los Angeles.

本次建模练习的题材是一种古典的建筑，部分来源于坐落在洛杉矶的Charles Eames房子。

Her father earned this sobriquet from the slaughter in East Pakistan as Bangladesh struggled to be born.

她父亲的这个绰号来源于在东巴基斯坦的屠杀，当时东巴独立建立了孟加拉国。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。