可改变的

In this system, the gratings are inscribed by the UV interference fringes of 248 nm derived from a rotatable biprism, where the phase mask is used as a beam splitter, and the biprism is rotated to change the intersection angle of two beams.

在该系统中，光纤光栅是由来自可旋转双棱镜所形成的波长为248 nm的紫外干涉条纹写入的，其中，相位掩模被用作1级衍射光的分束器，通过双棱镜的旋转可改变两写入光束的交叉角。

Many phytoplankton and autotroph absorb the DIN of the bottom water that decrease content of DIN in bottom water and change the fluxes of the DIN. And the activity of those phytoplankton and autotroph can even change the direction of DINS fluxes.

在有光的条件下，浮游藻类和一些光自养生物对沉积物水界面溶解态的营养盐的直接吸收，从而减少了上覆水中可与沉积物可交换的营养盐的含量；浮游植物的活动甚至有可能改变无机氮在沉积物水界面的扩散方向。

The excellent agreements between simulated and measured results prove the accuracy of the established circuit model. Moreover, the varactor was added to the resonator to adjust its resonant frequency. As expected, the reactance introduced by the varactor indeed affects the net inductance and capacitance obviously. It is noted that, not only the shift with the center frequency, the inductive or capacitive of the reactance can also provide a parameter to switch its frequency toward the two directions away from the one without varactor. As a consequence, a wideband tunable band-pass filter is achieved. Although the bad quality factor with the diode strongly increases the insertion loss, this concept was proved to be available for effectively tuning the center frequency of such a class of band-pass filter.

另外，在共振器上的varactor是用来调整共振器的共振频率，如预期的，由varactor所造成的电抗确实的影响到共振器的总电感和电容值，值得一提的是，不仅滤波器的中心频率可以被改变，这电抗是电感性或是电容性也将决定滤波器的中心频率将大於或小於未加varactor时滤波器的中心频率，利用这个结果，我们也实现了一个宽的可调频率带通滤波器，虽然不理想之二极体的Q值增加了滤波器的介入损失，但这原理是被证明可有效的用於调变带通滤波器的中心频率。

They consist of a coplanar wave-guide transmission line periodically loaded with 8 - 32 metal bridges, functioning as capacitive switches. Every switching element consists of a thin metallic membrane actuated by applied bias. Remarkable phase shifter performances were observed. 2 lAl0.96 Si0. 04 bridges MEMS Phase shifter reached to 372/3. 5mm under 20V bias at 35 GHz, the with an insertion loss (S21 of about 4 -7 dB...

该文介绍毫米波MEMS相移器的设计，研究低损耗衬底，Au，AlxSi1-x可动膜对下拉电压和传输损耗的影响，测试表明：21桥相位连续可调的分布式压控开关阵列一毫米波相移器在35GHz时，启动电压5V，20V时相移量达到372°/3.5 mm，并能在不同的控制电压下根据要求改变相移量。

What natural selection does is change the relative frequencies of alternative phenotypes, insofar as they are heritable.

自然选择的作用是在可遗传的表型范围内，改变可供选择的替代表型的相对频率。

A year from the beginning of the term, since the lease under which it was payable was a lease under seal which, according to the old common law, could not be varied by an agreement by parol, but only by deed.

来自期限的开始一年，因为它是可付的租约是，依照旧的通常法律，无法被 parol 的协议改变的在印章下面的租约，但是被行为只有改变。

Usually, when peole have nothing to do, they will think a lot, something like a day dream,and I'm also of them. I'm an ordinary people, a worldling. I spent a lot of time to dream, and it's blind and dull. I can not reconigze myself a little bit. This's not what I used to be- very healthy, happy, optimistic, and full of energy. I know that I cannot keep going like this. If I continue doing this, my life will have nowhere to run, and then, I will slowly fall into depression till the day I will be destroyed."No, no way." I warned myself again and again,"get the confident I used to have and try my best to live." Although it maybe in vain, I have to try , to change my situation, to live better, untill I can be a sunny guy again.

人在无事可做的时候，是很容易胡思乱想的，我也不例外，我也是凡人，更是个俗人，大把的时间里不断的胡思乱想着，盲目又无聊，我有点不认识我自己了，这已经不是曾经的那个健康、快乐、积极、充满活力的我了，我不能再继续这样了，在这样下去我的人生将变得无路可逃，我也终究会慢慢的消沉下去，直至毁灭，不能，绝对不能，一次次的告诫自己，要拿出曾经的勇气来努力的好好生活，即使再徒劳，也要作出最后的努力，改变现状，好好生活，直到做回曾经那个阳光的我！

Restrictive changes of TCR Vp repertoire and clonal expanded T cells could be found in peripheral blood T cells from patients with T-ALL. However, the clonal expanded T cells' property (clonal expansion leukemic cells or leukemia antigen-specific expansion T cells) should be further characterized. It may play a certain role on detection of minimal residual disease and design of anti-leukemia idiotypic vaccine. The dominant utilization of TCR VjJ repertoire could be found in peripheral blood T cells from patients with B-ALL, meanwhile clonal expansive T cells were existed. It may be a feature of the host immune response for leukemia-associated antigen. The clonal expansive tendency of T cells in V021 and VP23 subfamilies was rather obvious, which may be correlated with certain malignant B-cell clone. The CDR3 sequences of monoclonal expansive T cell in T cell strains were different, which was the base of developing DNA vaccine.

T-ALL患者外周血T细胞的TCR Vβ谱系出现限制性改变，均可检测到克隆性增殖T细胞，尚需进一步鉴定其性质(肿瘤性或抗原特异性增殖)，对于研究微小残留病变检测和设计抗白血病独特型疫苗均有一定的意义。B-ALL病人外周血T细胞的TCR Vβ谱系呈现优势利用的特点，并存在克隆性增殖的T细胞，这可能是机体对白血病相关抗原产生的特异性免疫反应；Vβ21和Vβ23亚家族T细胞发生克隆增殖改变的趋向性比较明显，可能与B-ALL相关抗原刺激有关。T细胞株中检测到的肿瘤克隆其CDR3序列具有高度的特异性，是构建DNA疫苗的基础。

An adjustable pipette (10) includes a body (12) containing a plunger assembly (14) including a thumb button (22) that is axially moved in alternating relatively shorter sample aspirating and relatively longer dispensing strokes.

一种可调节吸管(10)，包括本体(12)，该本体装有一柱塞组件(14)，该柱塞组件(14)包括一拇指按钮(22)，该拇指按钮(22)可在交替改变的相对较短的试样吸取冲程和相对较长的试样分配冲程中轴向运动。

This includes non-oscillating roll variable cross travel and on the roll on live parts "" djustable oscillating, but most importantly to pECOM business card printing and membership card making machine center control, incremental 30o to change the angle of the oscillating roll of oscillating starting angle.

其中包括串墨辊的无级可调横向行程、靠版辊&活件&上可调的串墨，而最重要的是能够从pECOM 制卡和会员卡制作机中心控制，以30的角度增量来改变串墨辊的串墨起始角度。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷