稀薄的

In this paper, based on the specific CNG engine parameters and characteristics, the influence of the injection timing, ignition energy and lean combustion for the engine is tested, in order to explore the control rules of fuel injection, ignition energy and lean combustion and then draw the following conclusions: small injection advance angle of electronic controlled injection CNG engine is optimum

文章根据天然气发动机的具体参数和特性，探索电控喷射CNG发动机在燃料喷射、点火能量和稀燃等方面的控制规律，确定最优的控制参数，开展了喷射定时、点火能量及稀薄燃料等参数对发动机性能影响的试验研究工作，并根据试验结果分析，得出了以下结论：电控喷射WT615CNG发动机燃料喷射提前角要小些为宜

Therefore, the farthermost rows of seats in an American sports arena are positioned very high above the court, so high that people jokingly say the air is thinner up there. And, as old beliefs go, people are more prone to nose bleeding when the air pressure is low.

因此，在美国体育比赛场地中，最远一排的座位通常在看台非常高的地方，人们戏称位子太高以至于那里的空气非常稀薄，就像人们常常认为的那样，地势越高，气压越低，很多人就会流鼻血。

In 2006, Gruosi-Scheufele bought and sold a pear-cut, 6.20-carat, natural orange-coloured diamond that was larger than Harry Winston's Pumpkin Diamond, which had previously toured the globe in The Splendor of Diamonds exhibition of the world's rarest stones.

一条颇有分量的项链刚刚在格拉夫珠宝行问世，这条项链镶嵌着一颗做工复杂而精致奇特的最好的彩钻――混有最稀薄微妙的粉色、蓝色、白兰地及黄色色调。

There is the least possible moisture in the atmosphere, all being dried up or congealed, and it is of such extreme tenuity and elasticity that it becomes a source of delight. The withdrawn and tense sky seems groined like the aisles of a cathedral, and the polished air sparkles as if there were crystals of ice floating in it.

可以感到空气中极度缺乏水分，一切都好像被风干或凝结了，人们因空气的稀薄和富有弹性而愉悦，紧绷的天空像是教堂的尖顶，闪亮的空气微粒就像冰晶浮在上面一样。

The higher the sun rose, the higher rose the cloud of dust, and through the fine, burning dust the sun in the cloudless sky looked like a purple ball, at which one could gaze with undazzled eyes.

太阳升得愈高，尘土的云雾也升腾得愈高，但透过稀薄灼热的尘雾，那未被彩云遮盖的太阳仍然可用肉眼瞭望。

Observation under Transmission Electron Microscope was carried out and growth curve of E. coli was ploted out. It was indicated that PSPPs might change the permeability of cell membrane, make cell excrescent and inhibit cell division.

透射电镜观察和大肠杆菌生长曲线表明，该色素的抑菌作用可能是通过增强细胞膜的通透性，使细胞异常生长，抑制对数生长期的细胞分裂，使细胞质稀薄、细胞解体。

The SHYANG-TIAN MANDOLIN /YT-9104 is excellently keen-edged, the new type serrated blade, which can be cut in any direction, flexible thickness adjustment with ease, amazing garnishing as thin as 0.3mm to a thickness of 5mm, specialty in fine slices of tender ginger.

SHYANG-TIAN 曼陀林/YT-9104 象0.3mm 优秀地keen-edged，新型被加锯齿的刀片，可能被削减任一个方向，灵活的厚度调整容易，使装饰惊奇一样稀薄对厚度5mm，专业在嫩姜美好的切片。

His smile was a thin-lipped single-line curve, like those smiley faces that later came on stickers A lot of hands Infiltrate and charm.

他的微笑是稀薄有嘴单行曲线，象在屠夫以后来的那些兴高采烈的面孔很多手渗入并且迷住。

Frontiersmen believed teas to be insipid "slops" fit only for the sick and those who, like British Lords, were incapable of bodily labor.

边疆人认为茶是一种稀薄乏味的饮料，只适合病人或不能进行体力劳动的人饮用，例如英国的贵族老爷们。

The germans had a keen interest in several medical problems in the field of flying, they were interested in preventing pilots from slowly becoming unconscious as a result of breathing the thin air of the high altitudes and there was interest in enhancing night vision.

德国人对在飞行场所的几个药物实验非常的感兴趣，他们对阻止飞行员高海拔的稀薄空气中呼吸，而变慢变得不省人事感兴趣，而且他们对提高夜视能力也感兴趣。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。