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The results indicate that, during the early storage period under short time treatment with heat air, the activities of amylase and polygalactouronase are effectively decreased; starch content reduction is inhibited; the degradation speed of pectin and the decrease speed of flesh hardness are slowed down, and the release rate of ethylene in fruit is decreased. During the later storage period, the decomposition rate of middle lamella and primary wall of the Li jujube fruit treated with heat air for a short time is delayed, exosmosis of cell contents is inhibited, and the cell structure is protected, so the storage time of Li jujube fruit is prolonged.

结果表明，梨枣采后贮前短时间热处理能有效地降低早期淀粉酶和多聚半乳糖醛酸酶活性，抑制淀粉水解，延缓果胶降解，降低乙烯释放量，延缓果肉硬度下降速度，后期能延缓果肉细胞中胶层和初生壁分解，阻止细胞内含物外渗，保护细胞的结构，从而延长了贮藏保鲜期。

This study, thus, aimed to examine whether an embedded extensive reading program has any significant impact on the students' reading proficiency gains, reading speed, motivation and attitude towards reading; whether there is any correlation between extensive reading quantity and reading proficiency gains; the correlation between reading quantity and reading speed; and if it is feasible to implement an extensive reading program in the Taiwanese senior high school English curriculum.

因此，本研究旨在验证在正规英语课程里嵌入一个广泛阅读活动是否对学生的阅读能力、阅读速度、以及英语阅读动机和态度有显著的影响；调查广泛阅读量与阅读能力的成长以及阅读速度的成长是否具有相关性；以及探讨广泛阅读活动在台湾高中英语课程实行的可行性。

Set f-number on 7,0, shutter speed on 45, and film speed on 50. And here we got.

把焦距设置成7.0，快门调到45，还有胶片速度50，在看一下。

Example3:Exposure control:film speed Exposure: on, Shutter Speed (s^-1): 60.0, f-number: 8.0, Vignetting: on, White balance: white

这项参数决定了图像对光的灵敏性-感光度。如果胶片速度值较高那么图像将会对光线更为敏感，图像也就越亮。

PCFK series of pairs of counter-reversible hammer crusher is a new crushing equipment, mainly by knock-on effects to broken materials, broken process in general is this: the material falling into the break in the world, imported high-speed rotation of the hammer impact face was against the entrance of the adjustable crusher tooth wear plate, for the first time broken, broken after the particles basically the same material evenly into the main break, the secondary primary crushing, crushing in the main chamber has been uniformly The material was re-kinetic energy particles from the hammer, high-speed rushed back inside the jagged cavity lining was broken, due to the special lining sawtooth-shaped structure.

PCFK系列可逆双反击锤式破碎机是一种新型破碎设备，主要是靠冲击作用来破碎物料的，破碎过程大体是这样的：落下的物料进入破世界进口后，遇到高速旋转的锤头冲击而被打击到破碎机进口处的可调耐磨齿板上，进行首次破碎，破碎后颗粒基本相同的物料均匀的进入主破碎内，进行二次主破碎，在主破碎腔内已被均匀的物料颗粒从锤头再次获得动能，高速冲向反击腔内部的锯齿形衬板而被破碎，由于衬板特殊的锯齿形结构。

Know to all, The refract wave exist an precondition, that is the bottom medium velocity is bigger than upper, then medium interface produce the refractive wave, if the medium exist the speed turn in reverse, and low speed in false bottom, the medium interface can not calculate.

众所周知，折射波存在的前提是下层介质的速度一定要大于上层介质的速度，这样才能在界面形成折射波，如果存在低速夹层和速度倒转，则利用折射波来求取表层结构难以进行。

Secondly this dissertation made the statistical analysis of brittle ice load, and results showed that there was a greater variance of ice load during slow ice speed movement and a smaller variance of ice load during fast ice speed movement.

其次对冰脆性破坏时的荷载进行了统计，结果显示当冰速较慢时荷载的变化较大，而当冰速较快时荷载的变化较小。

If your shutter speed is fast (eg 1/4000th of a second) it's not going to see much movement (unless the the subject is moving mighty fast) while if you select a longer shutter speed (eg 5 seconds) you don't need your subject to move very much at all before you start to see blur.

如果快门速度较快（以1/4000s为例），看不到较多的动态，如果你选择了较慢的快门（5s），要让目标物体模糊，你不需要运动物体移动很快。

Besides lets MG6 in the contour have more sharp overall visual effect and the more intense speed feeling, the Fastback design also lets MG6 the wind resistance coefficient be smaller, the whole smooth modelling can enable the air current to have more formidable under pressure to the vehicles rear part, enhanced MG6 in the high speed travel time stability.

除了在外形上让MG6拥有更为锐利的整体视觉效果和更强烈的速度感之外，Fastback的设计也让MG6的风阻系数更小，整体流畅的造型能使气流对车辆尾部具有更为强大的下压力，提高了MG6在高速行驶时的稳定性。

Javelin throw project is a kind of field events, for which strength is basis speed core, and combination of speed and strength key.

掷标枪运动是一项以力量为基础、以速度为核心、以良好的速度力量结合为关键的田赛项目。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。