查询词典 delta

With the research on the published material of Shanghai, Nanjing, Suz hou, Nantong, Hangzhou ＆Ningbo in the Yangtze River Delta , this paper makes com parative study on the features of their air pollution and the corresponding regu larity.

以长江三角洲地区上海、南京、苏州、南通、杭州、宁波6城市公布的资料为研究对象，对各城市的空气污染特点及规律进行了对比研究。

A continuously variable slope delta modulation codec is implemented, in which step size of the quantizer is syllabically adapted according to the slope of the input signal. The CVSD codec poses least hardware complexity and offers excellent noise immunity.

连续可变斜率增量调制是一种性能良好的音节压扩自适应增量调制，非常适合语音信号的编解码，其硬件实现简单，抗噪声能力强。

In this paper genetic diversity and differentiation of 3 natural populations of Tamarix chinensis, one of the main predominated tree species in Yellow River Delta, were studied using random amplified polymorphic DNA techniques.

采用随机扩增多态DNA分子标记技术，分析了黄河三角洲主要优势树种之一柽柳3个天然群体的遗传多样性及遗传分化。

In this paper, The delta wing of Mach number 0.8 at an attack angle of 21. 8 degree is simulated by our program. Then, using the visualizing program, we map the figures of space streamlines, cross streamlines near the vortex axis, three dimensional vortex lines, cloud atlas for pressure and vortex and targer of particles.

在这一章里，我们先用所建立的计算软件数值模拟了来流马赫数为0.8、攻角为21.8°的三角翼的流场，之后以拓扑分析结果做指导，研制了一套数值显示流场、旋涡结构的软件，用该软件我们绘制了跨音速三角翼背风区涡轴附近截面流线、空间流线、三维涡量线、压力和涡量云图以及粒子屏痕图。

According to calculation of obstacle degree, the obstacle factor of sustainable land use was analyzed in detail. The factors such as per capita agricultural gross output value, per unit area yield of grain, reed land rate, agricultural land rate and degree of townish are the main obstacle factor ofKey words: land use; sustainability; obstacle degree; The Yellow River Delta

研究结果表明：在34个因子中人均农业总产值、粮食单产、芦苇地占地率、农业用地率、城镇化水平是黄河三角洲可持续土地利用的主要障碍因素，其中芦苇地占地率在1996年以后始终是第一障碍因素，而人均农业总产值的限制主要出现在1998年之前，之后对可持续土地利用未构成障碍；粮食单产和农业用地率的影响主要出现在1996年以后；林草覆盖率、公顷耕地农机总动力和农村电气化水平在一半以上的年份对可持续土地利用构成障碍；在1994年之前，农民人均收入障碍度较大，是主要的障碍因素。

Visalia Times-Delta - Post Comment Five seems to be the magic number at Tulare County's flea markets.

停运时间三角洲-后五评论似乎是魔术数字，在莱县的跳蚤市场。

Visalia Times-Delta - Post Comment Five seems to be the magic number at Tulare County's flea markets.

花时报三角洲-邮政五个评论似乎是魔术数字，在莱县的跳蚤市场。

Visalia Times-Delta - Post Comment Five seems to be the magic number at Tulare County's flea markets.

维塞利亚时报三角洲-五邮报评论似乎是神奇的数字在图莱里县的跳蚤市场。

Visalia Times-Delta - Five seems to be the magic number at Tulare County's flea markets.

visalia时报三角洲-五年计划似乎成为了魔术数字在t ulare县的跳蚤市场。

Visalia Times-Delta - Post Comment Five seems to be the magic number at Tulare County's flea markets.

visalia时报三角洲-后五评论似乎是魔术数字拉尔县的跳蚤市场。

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％。