查询词典 sparse

We know he earned a sparse living as a portrait photographer in Seattle for several years and continued to photograph the Puget Sound area.

我们只知道他有几年在西雅图靠肖像摄影勉强维持生活，并且继续不断地拍摄皮吉特海峡。

There are several methods about transverse distribution .By research, it is suitable to calculate the ribbed slab bridge of sparse-packed with the method of eccentric compression consider constraint torsion.

横向分布的计算方法有多种，通过比较发现考虑约束扭转的偏心受压法计算本文中的稀排肋板式结构是适合的。

Through observation and study,the optimum designing programs are showed as follows:the cross degree between shelter belt and do minant wind direction should be more than 45 degree,the main forest belt distance should be from 150 meter to 200 meter,the sub belt distance should be from 230 meter to 700 meter,the best belt structure is sparse and transparent structure.

通过观测和研究，得出风沙区农田防护林带的走向与主风方向的交角，不能小于 45°，主林带间距 15 0m——— 2 0 0m ，副林带间距 2 3 0m——— 70 0m ，林带结构以疏透结构为最好，主林带一般由主林木 5— 6行组成，副林带由 2— 3行组成，再在迎风面和背风面配置 1行— 2行灌木和针叶

The actual content includes: Ventilates the way the choice, the gross structure plan determination, the axis design and the examination computation, impeller's design examines and examines the computation, guide vane's design calculation, sparse class cover, diffuser and current collector design and choice, shell's design, ventilator muffler design, electrical machinery's choice and fixed way design, components and so on shaft coupling, key and flange shaping examinations.

具体内容包括：通风方式的选择，总体结构方案的确定，轴的设计和校核计算，叶轮的设计和校核计算，导叶的设计计算，疏流罩、扩散器和集流器的设计和选择，壳体的设计，通风机消声装置的设计，电机的选择和固定方式的设计，联轴器、键和法兰等零件的选型校核。

The actual content includes:Ventilates the way the choice,the gross structure plan determination,the axis design and the examination computation,impeller''s design examines and examines the computation,guide vane''s design calculation,sparse class cover,diffuser and current collector design and choice,shell''s des ign,ventilator muffler design,electrical mac你好nery''s choice and fixed way design,components and so on shaft coupling,key and flange shaping examinations.

本次设计的内容是对JBT62轴流式透风机总体方案以及透风机总体结构设计，机械传动部分设计，对轴流风机工作原理，主要工况参数的意义的掌握。具体内容包孕：透风体式格局的选择，总体结构方案的确定，轴的设计以及校核计算，叶轮的设计以及校核计算，导叶的设计计算，疏流罩、扩散器以及集流器的设计以及选择，壳体的设计，透风机消声装置的设计，电机的选择以及固定体式格局的设计，联轴器、键以及法兰等零件的选型校核。

Sparse conditions, the changes of the basal internode moment only depend on the number of stem materials to be achieved; in dense-planting conditions, the changes of the basal internode breaking moment are through the changes of section modulus and bending stress two factors together to be acheieved.

稀植条件下，基节折断弯矩的变化单靠构成茎秆材料的数量来实现；密植条件下，基节折断弯矩的变化是通过断面模数和弯曲应力两因素共同实现的。

This paper describes the design principle and spatial arrangement of the lawn plants, and the planting patterns such as sparse woodland lawn, savanna lawn, open lawn, lawn+edge plants, and so on. Some methods for planting design of tropical lawn plants in Hainan were discussed.

本文通过综合论述草坪植物的设计原理，草坪植物空间的营造，及疏林草坪、稀树草坪、开阔草坪、草坪边缘植物景观的种植形式等，针对性地探讨海南热带草坪植物种植设计方法与思路。

This paper describes the design principle and spatial arrangement of the lawn plants, and the planting patterns such as sparse woodland lawn , savanna lawn, open lawn, lawn+edge plants, and so on.

本文通过综合论述草坪植物的设计原理，草坪植物空间的营造，及疏林草坪、稀树草坪、开阔草坪、草坪边缘植物景观的种植形式等，针对性地探讨海南热带草坪植物种植设计方法与思路。

Late in the afternoon he followed a stream, milky with lime, which ran through sparse patches of rush - grass.

迟暮时分，他顺着一条小溪往前走，溪水被石灰染成了乳白色，从零星的几簇灯芯草上流淌过去。

The real data verification shows that the wavelet, reflection factor and acoustic impedance given by PCGA are more accurate, quicker convergent and value stable than the existing direct sparse inversion method.

用实际数据检验算法，表明预条件共轭梯度法反演的子波、反射系数和波阻抗要比直接稀疏反演精度高、收敛快、数值稳定。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。