The dynamics of the disease in field condition includes horizontal expansion and vertical expansion.
病害在田间的扩展呈现水平扩展和垂直扩展两个方向。
By simulating the field condition, the testing environment of the digital power source controller is established.
根据焊接现场条件，建立数字化电源控制器的试验测试环境。
Effects of inoculation of arbuscular mycorrhizal fungi on sweet potato yield and quality were investigated in field condition.
通过田间试验方法研究了接种AM真菌对甘薯产量和品质的影响。
Under field condition, effects of potassium application rate on growth, yield and quality of Glehnia Littoralis roots were studied.
在大田栽培条件下，研究了施钾量对北沙参生长、产量和品质的影响。
Under the natural field condition of artificial inoculation, BC2001 presented the control rate of 57.8% on the nematode population.
在人工接种条件下，BC 2001菌在大田防治中对根结线虫虫口基数的相对抑制率达57.8%。
Control efficiency of 5 pesticides to rehmanniae flea beetle and influence to their natural enemies were compared in field condition.
田间比较测试了5种杀虫剂对地黄跳甲的防治效果及其对天敌的影响。
The capability of communication and interconnection of PLC gets strong enough to be used in terrible field condition with high reliability.
可编程控制器的通信和联网功能越来越强，而且能适应恶劣的现场环境，具有很高的可靠性。
The experimental results showed that the addition of surfactant elution has no significant impact on the ultrasound field condition of best elution.
实验结果表明，表面活性剂的加入对最佳洗脱效果的声场条件没有显著影响。
The degradation trends of cypermethrin, fenvalerate, chlorpyrifos and chlorothalonil in autumn spinach were studied under open-field condition by spraying.
在露地栽培条件下，研究了氯氰菊酯、氰戊菊酯、毒死蜱和百菌清在秋菠菜生产中的残留降解动态。
In Holl's particular porosity, the logic of the double-functioning element -the perpetual flux between two readings and applications - is extended into a field condition.
在霍尔独特的多孔性中，双重功能元素的逻辑——两种解读和应用之间的永恒变迁——被延伸到了实践领域。
The paper discusses the far-field condition and analyzes the outcomes of a contractible-scaled test. The result shows that this method is simple, convenient and credible.
文章讨论了测试的远场条件，并对一个具体的缩比测试实验的结果进行分析，结果表明：该方法简便易行，数据可信。
Under normal field condition, using spot picking tip method, the tuber yield and quality of sweet potato Baishu 1 as leaf-vegetable sweet potato were studied in 2007 summer.
2007年夏季，在一般大田常规栽培条件下，通过分期采摘茎尖的方法，对叶菜型甘薯品种百薯1号的薯块产量和品质进行了研究。
The feasibility of readings of SPAD-502 on the nitrogen nutritional diagnosis of corn was studied through a simple field experiment and research method under field condition.
采用简单的试验和研究方法在田间条件下研究了叶绿素仪应用于夏玉米氮营养诊断的可行性。
The detecting speed is high, the performance is good and the operation is convenient; meanwhile, the requirement to field condition is low and the drilling rod does not need cleaning.
检测速度快，性能好、操作方便，对现场条件要求低，不需要对钻杆进行任何清理。
The result of application tests of this instrument is analysed and compared. It offers the references for the telemetrical measurement of agricultural machinery in the field condition.
文章对该仪器的使用试验和对比试验结果进行了分析研究，为今后农机田间电测实现无线测量提供参考。
The yield response of two common corn cultivars (Qiandan NO. 4 and Jingza NO. 6) to inoculation with Azospirillum brasilense strain 8018 was studied under field condition in Puding county.
用巴西固氮螺菌8018菌株菌肥拌黔单4号和京杂6号玉米种子于普定县三块田村进行了田间应用实验。
The principle, structure and water flow measuring formula of Venturi Pitot tube flowmeter are introduced. The simple calibration with flow method adopting field condition is also presented.
介绍了文丘里皮托管流量计的原理、结构和测量水流量公式，以及采用流量法利用现场条件对文丘里皮托管流量计进行简易标定。
The principle, structure and water flow measuring formula of Venturi Pitot tube flowmeter are introduced. The simple calibration with flow method adopting field condition is also presented.
介绍了文丘里皮托管流量计的原理、结构和测量水流量公式，以及采用流量法利用现场条件对文丘里皮托管流量计进行简易标定。
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