查询词典 envelope

First,the envelope rectangles set was obtained by equiangular rotation the initial envelope rectangle, and the periphery polygon was constructed by calculating the intersection points between the corresponding edges of the envelope rectangles set.

首先利用等角度旋转方法求得封闭曲线的包络矩形集，利用矩形集对应边的交点得到曲线的外包多边形。

Under normal temperature.the Ca2+-ATPase activity was found on the innerside of the PM.on the vacuole envelope and the chloroplast envelope,and theenzyme activity declined upon heat stress.The Ca2+-ATPase activity on the vacuoleenvelope,PM.and the chloroplast envelope in both Ca2+-and oxalate-treated peppermesophyll cells was higher than that in the control under the same condition.TheCa2+-ATPase was also found at the granum lamella,and it was activatedsignificantly by exogenous Ca2+ and oxalate treatments.Under heat stress.the Ca2+-ATPase activity declined slowly in both Ca2+- and oxalate-treated mesophyll cells.But La3+ treatment inhibited the enzyme activity under both normal condition andheat stress.

常温下生长的叶肉细胞，在质膜、液泡膜、叶绿体被膜等处有Ca2+-ATPase活性，热胁迫后酶活性下降；外源Ca2+和草酸预处理对辣椒叶肉细胞各种膜上Ca2+-ATPase活性具有促进作用，特别是定位于液泡膜、质膜和叶绿体被膜上的酶活性明显比对照提高；在叶绿体基粒和基质片层上也有酶活性，并且Ca2+和草酸预处理对该部位上的酶活性激活作用更明显；La3+处理的作用与Ca2+和草酸处理的效果相反。

But with its variety and specialization , three-axial non-instaneous envelope method had not meet needs. So four-axial non -instaneous envelope method was set forth firstly in this article, which is based on three-axial non-instaneous envelope and spiral rod compressor rotator speciality.

然而随着螺杆应用范围的扩展，螺杆型线不断复杂化、多样化，三自由度无瞬心包络铣削法已不能满足部分型线的加工要求，为此本文在三自由度无瞬心包络铣削法的基础上，针对螺杆压缩机阴阳转子的特性，在国内首次提出四自由度无瞬心包络铣削螺旋曲面的新方法，赶超国际螺旋曲面加工技术水平，具有重要的理论和现实意义。

In the past, the high frequency resonance technique is usually applied in the envelope detection for a vibration signal with amplitude modulation. When applying the Hilbert transform in the high frequency resonance technique for the envelope detection of vibration signals, the computing burden is very high. On the other hand, when applying the linear least squares analysis method, the computing burden is lower. When applying the envelope detection in the lowest vibration mode, an accelerometer with the low-pass filtering cutoff frequency at 4kHz should be choose.

在过去的研究方法中，振动讯号之振幅调变通常以高频解调分析法应用於包络讯号侦测，而高频解调方法应用希尔伯特转换的包络分析，所需要的计算量是非常的高，若以线性最小平方分析法应用於高频解调分析法中，则所需要的计算量较小，如果以最低模态来估测包络讯号时，可以适当的选取加速规来代替低通滤波器，而加速规的截止频带必须在4kHz左右。

The LMD algorithm uses extrema to define the local mean and envelope, then to smooth the mean and envelope. To decrease errors in the smoothing process by using moving averaging, a new local mean and envelope definition method (the spline-based LMD) is proposed. The upper envelope and the lower envelope are obtained by connecting the local maxima and the local minima using a cubic spline line. The local mean is defined as a mean of the upper envelope and the lower envelope. A nonlinear simulation signal and a practical vibration signal are decomposed by the LMD and the spline-based LMD.

LMD算法用极值点来定义局部均值函数和局域包络函数，然后用滑动平均来平滑均值和包络函数，针对用滑动平均平滑均值和包络函数误差较大的缺点，提出了采用三次样条对上、下极值点分别插值求得上下包络线，然后由上下包络线的平均获得局部平均函数，由上下包络线相减的绝对值获得局部包络的方法。

Afterwards, the X-35C began a series of envelope-expansion flights and on 25 January 2001, the X-35C completed tanker qualification trials with a series of air-to-air refuelings behind an U.S. Air Force KC-10. The X-35C then completed its first supersonic flight on 31 January 2001 before being ferried from Edwards Air Force Base, California to Patuxent River Naval Air Station, Maryland.! t5 F* M* w. F.}% s

然后， X-35 C 开始了一系列的envelope-expansion飞行试验，并在2001年1月25日，在美国空军的KC-10 tanker耗尽的情况用air-to-air补给燃料试验飞行成功。2001年1月31日X-35 C在从爱德华空军基地被舰载到Patuxent 河海军加州马里兰空军基地后，完成了它的第一次超音速飞行。

This work produced large amounts of high-purity envelope protein antigens and envelope-specific antisera, and established detection systems for envelope antigens as well as antibodies.

通过以上工作，得到了大量、高纯的被膜蛋白抗原和被膜蛋白特异的抗血清，建立了被膜蛋白抗原、抗体的检测体系。

Objective To acquire enough envelope glycoproteins so as to facilitate a further study of the structure and function of envelope glycoproteins from various kinds of virus isolates. Methods Two envelope glycoprotein gene fragments were cloned from the recombinant plasmid pHXB2 containing the human immunodeficiency virus 1(HIV-1) proviral genome of HXB2 isolate.

目的 获得足够量的膜糖蛋白，以便于对不同HIV分离株膜糖蛋白的结构与功能进行进步的研究方法从人免疫缺陷病毒1(HIV-1)HXB2分离株原病毒基因组的重组质粒pHXB2中克隆了两段膜糖蛋白基因片段。

According to Hong Kong Post, tentatively the first issue date will be November 8, 2005, the set will include stamps, stamp sheet, envelope, commemorative envelope, stamped first day envelope, paid postage picture card and etc.

据「香港邮政」方面表示，预计发行日期为 2005 年 11 月 8 日，届时会推出邮票、版票、套摺、纪念套摺、已盖销首日封、邮资已付图片卡及已盖销邮资已付图片卡等。

Bubble film / bubble bag full range of: single / double-sided ordinary bubble bags, anti-static bubble bags, bubble film material environmental protection photochemical / bubble bag, large / medium / small-bubble bubble bag ( diameter 5MM/10MM/25MM/30MM), complex black conductive film bubble bags, bubble film review All EPE, bubble membrane coating, as well as a variety of colors of various specifications thickening, add hardware bubble bag, single / composite double-sided aluminum foil bubble volume, composite color aluminum bubble envelope bag, single / double-sided double-layer aluminum foil bubble volume restoration, rehabilitation red aluminum anti-static bubble bag, single / double-sided composite steam packing bubble volume, single / double-sided bubble bag, bubble bag thickening environmental protection, rehabilitation aluminum bubble bags, milk membrane complex vapor bubble envelope bag, high-grade kraft paper bubble envelope bag, all kinds of special composite membrane bubble bag, print bubble bag, bubble bag special.

汽泡膜/汽泡袋全系列：单/双面普通汽泡袋、防静电汽泡袋、环保光化料汽泡膜/汽泡袋、大/中/小泡泡汽泡袋（直径5MM/10MM/25MM/30MM）、复黑色导电膜汽泡袋、汽泡膜覆合珍珠棉、镀膜汽泡膜以及各种颜色各种规格的加厚、加硬汽泡袋、单/双面复合铝箔汽泡卷、复合彩色铝膜汽泡信封袋、单/双面双层复铝箔汽泡卷、复铝膜红色防静电汽泡袋、单/双面复合镭射膜汽泡卷、单/双面汽泡袋、加厚环保汽泡袋、复铝膜汽泡袋、复奶膜汽汽泡信封袋、高档牛皮纸汽泡信封袋、复合各种特殊膜汽泡袋、印刷汽泡袋、各种特殊汽泡袋。

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％。